linux-kernel - Re: [PATCH] smp: smp_call_on_cpu(): use INIT_WORK_ONSTACK() for automatic work

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Message-ID: <20160922184415.GB5012@twins.programming.kicks-ass.net>
Date:   Thu, 22 Sep 2016 20:44:15 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Nicolai Stange <nicstange@...il.com>
Cc:     Juergen Gross <jgross@...e.com>, Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Davidlohr Bueso <dave@...olabs.net>,
        Richard Weinberger <richard@....at>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] smp: smp_call_on_cpu(): use INIT_WORK_ONSTACK() for
 automatic work_struct

On Thu, Sep 22, 2016 at 08:17:58PM +0200, Nicolai Stange wrote:
> This new warning
> 
>   INFO: trying to register non-static key.
>   the code is fine but needs lockdep annotation.
>   turning off the locking correctness validator.
>   CPU: 0 PID: 82 Comm: kworker/0:1 Not tainted 4.8.0-rc6+ #360
>   Hardware name: Dell Inc. Latitude E6540/0725FP, BIOS A10 06/26/2014
>   Workqueue: events smp_call_on_cpu_callback

https://lkml.kernel.org/r/tip-8db549491c4a3ce9e1d509b75f78516e497f48ec@git.kernel.org