Re: [PATCH v11 14/26] locking/lockdep, cpu/hotplus: Use a weaker annotation in AP thread

From: Byungchul Park
Date: Mon Jun 03 2024 - 23:11:15 EST


On Fri, Jan 26, 2024 at 06:30:02PM +0100, Thomas Gleixner wrote:
> > Furthermore, now that Dept was introduced, false positive alarms was
> > reported by that. Replaced it with try lock annotation.
>
> I still have zero idea what this is about.

Lockdep is working on lock/unlock, while dept is working on wait/event.

Two are similar but strickly speaking, different in what to track.

Byungchul