From: Peter Zijlstra <pet...@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?
