Hello, Lai. On Thu, Aug 30, 2012 at 05:16:01PM +0800, Lai Jiangshan wrote: > gcwq_unbind_fn() is unsafe even it is called from a work item. > so we need non_manager_role_manager_mutex_unlock(). > > If rebind_workers() is called from a work item, it is safe when there is > no CPU_INTENSIVE items. but we can't disable CPU_INTENSIVE items, > so it is still unsafe, we need non_manager_role_manager_mutex_unlock() too.
Can you please elaborate? Why is it not safe if there are CPU_INTENSIVE items? 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/
