On 09/11/2007, Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> wrote:
> [ ... ]
>
>   As a solution to this problem, I moved sched_fork() call, which
>   initializes scheduler related fields on a new task, before
>   copy_namespaces(). I am not sure though whether moving up will
>   cause other side-effects. Do you see any issue?

Should be ok (IMHO and at first glance :-)

> - The second problem exposed by this test is that task_new_fair()
>   assumes that parent and child will be part of the same group (which
>   needn't be as this test shows). As a result, cfs_rq->curr can be NULL
>   for the child.

Would it be better, logically-wise, to use is_same_group() instead?
Although, we can't have 2 groups with cfs_rq->curr != NULL on the same
CPU... so if the child belongs to another group, it's cfs_rq->curr is
automatically NULL indeed.



-- 
Best regards,
Dmitry Adamushko
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