Re: [patch 2/2] lockdep: initialize lockdep debugging statistics

From: Ingo Molnar
Date: Thu Mar 05 2009 - 06:06:09 EST



* Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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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