linux-kernel - Re: [PATCH] static_key: Improve uninizialized key warning

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Message-ID: <20171018092710.4180b41c@gandalf.local.home>
Date:   Wed, 18 Oct 2017 09:27:10 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Borislav Petkov <bp@...en8.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Hannes Frederic Sowa <hannes@...essinduktion.org>,
        Juergen Gross <jgross@...e.com>,
        Jason Baron <jbaron@...mai.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] static_key: Improve uninizialized key warning

On Wed, 18 Oct 2017 15:19:34 +0200
Ingo Molnar <mingo@...nel.org> wrote:

> * Borislav Petkov <bp@...en8.de> wrote:
> 
> > but it doesn't tell me which key it is. So dump its address too:
> > 
> >   static_key_disable_cpuslocked, key ffffffff81c32680 used before call to jump_label_init  
> 
> Is it possible to print out a symbol instead of an absolute address - does that 
> work for data symbols?

It should.

Boris, can you try it with "%pS" ?

-- Steve