linux-kernel - Re: [PATCH 13/26] locking: Add non-fatal spin lock assert

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Message-ID: <20140903150729.GA7436@twins.programming.kicks-ass.net>
Date:	Wed, 3 Sep 2014 17:07:29 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Peter Hurley <peter@...leysoftware.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 13/26] locking: Add non-fatal spin lock assert

On Wed, Sep 03, 2014 at 10:50:01AM -0400, Peter Hurley wrote:
> So a lockdep-only assert is unlikely to draw attention to existing bugs,
> especially in established drivers.

By the same logic lockdep will not find locking errors in established
drivers.
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