On 08/18, Kirill Tkhai wrote: > > On 17.08.2014 19:25, Oleg Nesterov wrote: > > > > And I can't understand tg_has_rt_tasks(). Don't we need something > > like the patch below? If not, please do not ask me why I think so, > > I don't understand this black magic ;) But the usage of the global > > "runqueues" array looks suspicious. > > This function searches RT task which is related to this tg. It's > opaquely because it looks that there is an error. > > task_rq(p)->rt.tg is a task group of a top rt_rq, while the task may > be queued on a child rt_rq instead of this. So, your patch is a BUGFIX, > not a cleanup.
Yes, thanks, this was my (vague) understanding. But since I don't know even the terminology I wasn't able to explain my concerns. OK, I am going to shamelessly steal your words and turn them into the changelog. Thanks. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

