Re: [PATCH v3 2/2] sched: Handle on_list ancestor inlist_add_leaf_cfs_rq()

[Peter Zijlstra]

On Tue, 2011-08-23 at 20:53 +0200, Peter Zijlstra wrote:
>         LIST_HEAD(leaf_queue);
> 
>         for_each_sched_entity(se) {
>                 if (se->on_rq)
>                         break;
>                 cfs_rq = cfs_rq_of(se);
>                 enqueue_entity(cfs_rq, se, flags);
>                 flags = ENQUEUE_WAKEUP;
>                 if (cfs_rq->nr_running == 1)
>                         leaf_add_queue(cfs_rq, &leaf_queue);
>         }
>         /* XXX does ->on_rq imply ->on_list ? */
>         if (se->on_list)
>                 leaf_splice_queue(cfs_rq, &leaf_queue); 

Bah, se can be NULL here, still needing some extra foo.
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