Re: lockdep: strange %s#5 lock name

From: Tejun Heo
Date: Tue Feb 11 2014 - 10:27:53 EST


On Tue, Feb 11, 2014 at 12:00:36PM +0100, Peter Zijlstra wrote:
> > Looks good to me. Can you please post the patch with SOB?
>
> ---
> Subject: workqueue: Fix workqueue lockdep name
>
> Tommi noticed a 'funny' lock class name: "%s#5" from a lock acquired in
> process_one_work(). It turns out that commit b196be89cdc14 forgot to
> change the lockdep_init_map() when it changed the @lock_name argument
> from a string to a format.
>
> Fixes: b196be89cdc14 ("workqueue: make alloc_workqueue() take printf fmt and args for name")
> Reported-by: Tommi Rantala <tt.rantala@xxxxxxxxx>
> Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>

Applied to wq/for-3.14-fixes.

Thanks!

--
tejun
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