On Tue, Mar 04, 2014 at 12:20:45PM -0500, Sasha Levin wrote: > >Hrm... there is a PF_EXITING check there already: > > > > #define task_css_set_check(task, __c) \ > > rcu_dereference_check((task)->cgroups, \ > > lockdep_is_held(&cgroup_mutex) || \ > > lockdep_is_held(&css_set_rwsem) || \ > > ((task)->flags & PF_EXITING) || (__c)) > > > >I see it's not happening on Linus's master so I'll run a bisection to figure out what broke it. > > Hi Tejun, > > It bisects down to your patch: "cgroup: drop task_lock() protection > around task->cgroups". I'll look into it later unless it's obvious > to you. Hmmm... maybe I'm confused and PF_EXITING is not set there and task_lock was what held off the lockdep warning. Confused.... Thanks. -- tejun _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
