Quoting Stephen Boyd (2014-09-05 17:00:00)
> On 09/04, Stephen Boyd wrote:
> >
> > I don't understand why we need to hold the prepare lock around
> > the kref_put(), so I changed the flow so that we don't do this
> > when we unregister a clock.
>
> Ok we hold the prepare mutex to make sure get an
On 09/04, Stephen Boyd wrote:
>
> I don't understand why we need to hold the prepare lock around
> the kref_put(), so I changed the flow so that we don't do this
> when we unregister a clock.
Ok we hold the prepare mutex to make sure get and put are serialized.
Good. Here's the interdiff to move
Rob Clark reports a lockdep splat that involves the prepare_lock
chained with the mmap semaphore.
==
[ INFO: possible circular locking dependency detected ]
3.17.0-rc1-00050-g07a489b #802 Tainted: GW
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