linux-kernel - Re: [PATCH net] lockdep: provide always true lockdep_is

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Message-ID: <5706EB74.9050108@stressinduktion.org>
Date:	Fri, 8 Apr 2016 01:21:24 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	linux-kernel@...r.kernel.org
Cc:	netdev@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH net] lockdep: provide always true lockdep_is_held stub if
 lockdep disabled

On 08.04.2016 01:12, Hannes Frederic Sowa wrote:
> I need this to provide a generic lockdep_sock_is_held function which can
> be easily used in the kernel without using ifdef PROVEN macros.
>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Eric Dumazet <eric.dumazet@...il.com>
> Cc: David Miller <davem@...emloft.net>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> ---
> Hello Peter and Ingo,
>
> if it is possible coud this go in via the net-tree, as this problem is
> visible there already? Would be happy to get a review.

I take this patch back, as some call sites test if the lock is 
definitely not held. I come up with a better approach.