* Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > Now we have a false positive if some time we queue B into that > workqueue, and this is not good. > > We can avoid this problem if we put lockdep_map into work_struct, so > that wait_on_work() "locks" work->lockdep_map, while flush_workqueue() > takes wq->lockdep_map. > > But probably we don't need this right now, at least until we really > have a lot of false positives while converting from flush_workqueue() > to cancel_work_sync/cancel_delayed_work_sync. would be nice to map the real dependencies. Adding another lockdep_map is really low-cost and the lack of false positives is reassuring. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
