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

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Date: Tue, 4 Jun 2024 12:10:42 +0900
From: Byungchul Park <byungchul@...com>
To: Thomas Gleixner <tglx@...utronix.de>
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Subject: Re: [PATCH v11 14/26] locking/lockdep, cpu/hotplus: Use a weaker
 annotation in AP thread

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