On Wed, 2007-07-04 at 23:12 +0200, Johannes Berg wrote:
> This adds a lockdep_map for each work struct in order to debug
> deadlocks like
> my_function -> lock(); ...; cancel_work_sync(my_work)
> vs.
> run_workqueue() -> my_work.f() -> ...; lock(); ...
>
> which will deadlock if my_work.f() is invoked already but my_function()
> has acquired the lock already.
>
> Signed-off-by: Johannes Berg <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
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