linux-kernel - Re: [patch 2/2] lockdep: initialize lockdep debugging statistics

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Message-ID: <20090305110522.GI32407@elte.hu>
Date:	Thu, 5 Mar 2009 12:05:22 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	David Rientjes <rientjes@...gle.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [patch 2/2] lockdep: initialize lockdep debugging statistics


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Thu, 2009-03-05 at 02:29 -0800, David Rientjes wrote:
> > The CONFIG_DEBUG_LOCKDEP statistics need to be initialized with
> > ATOMIC_INIT(0) since they are of type atomic_t.
> 
> And how does ATOMIC_INIT(0) differ from the global/static 
> storage being initialized to 0?
> 
> All I can see this doing it moving the variables from bss to 
> data for some compilers.

ok, i dropped it for now.

	Ingo
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