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Date: Wed, 13 Sep 2017 20:05:18 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Don Zickus <dzickus@redhat.com>
cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>, Borislav Petkov <bp@alien8.de>,
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        Nicholas Piggin <npiggin@gmail.com>,
        Chris Metcalf <cmetcalf@mellanox.com>,
        Ulrich Obergfell <uobergfe@redhat.com>
Subject: Re: [patch V2 25/29] lockup_detector: Implement init time detection
 of perf
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References: <20170912193654.321505854@linutronix.de> <20170912194148.099799541@linutronix.de> <20170913180237.whri2g7soahd3ljl@redhat.com>
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On Wed, 13 Sep 2017, Don Zickus wrote:
> > +/* Return 0, if a NMI watchdog is available. Error code otherwise */
> > +int __weak __init void watchdog_nmi_probe(void)
> 
> ^^^ compile error, can't have 'int' and 'void'.  Removing 'void' fixes it.

Yes, I know. I feel stupid because I'm 100% sure that I compiled it ....