linux-kernel - Re: [PATCH 04/12] workqueue: Protect lockdep functions with #ifdef

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Message-ID: <CAM9d7ciswwMSdXhmsJbuf2jtrkUo=EXbYiWc2ZjA2PVPJz5rpw@mail.gmail.com>
Date:   Tue, 8 Feb 2022 11:17:28 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Tejun Heo <tj@...nel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Byungchul Park <byungchul.park@....com>,
        "Paul E. McKenney" <paul.mckenney@...aro.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Radoslaw Burny <rburny@...gle.com>,
        Lai Jiangshan <jiangshanlai@...il.com>
Subject: Re: [PATCH 04/12] workqueue: Protect lockdep functions with #ifdef

On Tue, Feb 8, 2022 at 10:48 AM Tejun Heo <tj@...nel.org> wrote:
>
> On Tue, Feb 08, 2022 at 10:42:00AM -0800, Namhyung Kim wrote:
> > With upcoming lock tracepoints config, it'd define some of lockdep
> > functions without enabling CONFIG_LOCKDEP actually.  The existing code
> > assumes those functions will be removed by the preprocessor but it's
> > not the case anymore.  Let's protect the code with #ifdef's explicitly.
> >
> > Cc: Tejun Heo <tj@...nel.org>
> > Cc: Lai Jiangshan <jiangshanlai@...il.com>
> > Signed-off-by: Namhyung Kim <namhyung@...nel.org>
>
> Can you wrap them in inlines and add some comment?

Ok, will do.

Thanks,
Namhyung