Re: [REGRESSION] osnoise: "eventpoll: Replace rwlock with spinlock" causes ~50µs noise spikes on isolated PREEMPT_RT cores

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From: Ionut Nechita (Wind River)

Date: Thu Mar 26 2026 - 12:27:39 EST

Hi Greg,

> Does this regression also show up in the 6.18 release and newer?

I haven't tested on 6.18 yet. I'll try to reproduce on a recent
6.18 LTS and mainline kernel with PREEMPT_RT and follow up with results.

Thanks,
Ionut.