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Date:   Sat, 13 Apr 2019 10:29:55 +0200
From:   Ingo Molnar <>
To:     Bart Van Assche <>
Cc:     Peter Zijlstra <>,
        Ingo Molnar <>,
        Thomas Gleixner <>,, Will Deacon <>,
        Waiman Long <>, shenghui <>
Subject: Re: [PATCH] locking/lockdep: Make lockdep_register_key() ignore

* Bart Van Assche <> wrote:

> On Fri, 2019-04-12 at 07:47 +0200, Ingo Molnar wrote:
> > So why don't we add a debug_locks test to lockdep_unregister_key() 
> > instead? The general principle to bring lockdep to a screeching halt when 
> > bugs are detected, ASAP.
> Hi Ingo,
> Since this issue was introduced by patch "locking/lockdep: Zap lock classes
> even with lock debugging disabled" and since that patch is in the tip tree
> but not yet upstream: do you prefer that I post a version 3 of that patch or
> do you rather prefer that I post a follow-up patch?

The crash fix is now upstream, mind sending a followup patch for the 
warning fix?



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