Hello, On Tue, Dec 20, 2011 at 03:14:30PM -0800, Mandeep Singh Baines wrote: > @@ -2287,14 +2280,12 @@ static int attach_task_by_pid(struct cgroup *cgrp, u64 pid, bool threadgroup) > cgroup_unlock(); > return -EACCES; > } > - get_task_struct(tsk); > rcu_read_unlock(); This is before threadgroup is locked. What guarantees @tsk doesn't go away once rcu is unlocked? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
