On Fri, 6 Jun 2014, Thomas Gleixner wrote: > On Thu, 5 Jun 2014, Steven Rostedt wrote: > > On Wed, 4 Jun 2014 17:32:37 +0200 (CEST) > > Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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. The only information we can check is, whether @task changed the blocked on lock, really. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
