linux-kernel - Re: BUG: spinlock trylock failure on UP, i.MX28 3.12.15-rt25

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Message-ID: <20140422140918.GE11096@twins.programming.kicks-ass.net>
Date:	Tue, 22 Apr 2014 16:09:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Stanislav Meduna <stano@...una.org>,
	"linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>,
	Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: BUG: spinlock trylock failure on UP, i.MX28 3.12.15-rt25

On Tue, Apr 22, 2014 at 09:46:57AM -0400, Steven Rostedt wrote:
> >  According to lockdep a trylock should not fail on UP.

Oh!? Where does it say that? A trylock can fail at all times.
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