On Thu, 5 Jun 2014, Steven Rostedt wrote:
> On Wed, 4 Jun 2014 17:32:37 +0200 (CEST)
> Thomas Gleixner <t...@linutronix.de> wrote:
> + /*
> + * When we dropped the spinlocks, if the owner of the lock we
> + * are currently processing changed since we chain walked
> + * to that lock, we are done with the chain walk. The previous
> + * owner was obviously running to release it.
> + */
> + if (lock && rt_mutex_owner(lock) != task)
> + goto out_unlock_pi;
NO. You CANNOT derefernce lock after dropping the locks. It might be
gone already.
Thanks,
tglx
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