On Mon, May 04, 2015 at 06:11:29PM +0800, Zefan Li wrote: > It's not safe if we enable/disable some controllers while there are > tasks in the substree, because task migration can fail. > > For example rt bandwidth controller disallow having rt tasks in the > cgroup if no bandwidth has been allocated, which is the case when > a cgroup is just created. > > A kernel warning is triggered immediately by doing:
Well, the whole thing is behind the devel flag for a reason. Let's see how we can resolve the RT case and then determine what to do. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
