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Message-ID: <1485109520.4467.82.camel@gmail.com>
Subject: Re: [btrfs/rt] lockdep false positive
From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>,
        linux-rt-users <linux-rt-users@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sun, 22 Jan 2017 19:25:20 +0100
In-Reply-To: <1485107114.4467.73.camel@gmail.com>
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         <1485107114.4467.73.camel@gmail.com>
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> +> 	> 	> /*
> +> 	> 	>  * Allow read-after-read or read-after-write recursion of the
> +> 	> 	>  * same lock class for RT rwlocks.
> +> 	> 	>  */
> +> 	> 	> if (read == 3 && (prev->read == 3 || prev->read == 0))

Pff, shoulda left it reader vs reader.. but it's gotta be wrong anyway.