Messages in this thread | | | Date | Thu, 11 Jan 2018 11:38:40 -0500 (EST) | Subject | Re: [RFC 1/2] softirq: Defer net rx/tx processing to ksoftirqd context | From | David Miller <> |
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From: Peter Zijlstra <peterz@infradead.org> Date: Thu, 11 Jan 2018 17:32:04 +0100
> You just introduced a 2ms preempt-disable region I think, that's not > cool for PREEMPT and a plain bug on PREEMPT_RT.
I'd just like to know what the difference is between ksoftirqd running softirq work for 2ms and the real softirq context doing it. The latter already has this "2ms preempt-disable region" of sorts, right?
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