linux-kernel - Re: [PATCH] lockdep: print chain

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Message-ID: <20160330171921.GC3408@twins.programming.kicks-ass.net>
Date:	Wed, 30 Mar 2016 19:19:21 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Alfredo Alvarez Fernandez <alfredoalvarezfernandez@...il.com>
Cc:	sedat.dilek@...il.com, mingo@...nel.org,
	torvalds@...ux-foundation.org, tytso@....edu,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lockdep: print chain_key collision information

On Wed, Mar 30, 2016 at 07:03:36PM +0200, Alfredo Alvarez Fernandez wrote:
> A sequence of pairs [class_idx -> corresponding chain_key iteration]
> is printed for both the current held_lock chain and the cached chain.
> That exposes the two different class_idx sequences that led to that
> particular hash value.

Nice, thanks!