Re: [PATCH v3 tip/core/rcu 1/9] rcu: Add call_rcu_tasks()

[Oleg Nesterov]

On 08/04, Paul E. McKenney wrote:
>
> OK, so I checked out my earlier concern about the group leader going away.
> It looks like the group leader now sticks around until all threads in
> the group have exited, which is a nice change from the behavior I was
> (perhaps incorrectly) recalling!

Ah, I didn't know you were worried about a zombie leader ;)

Yes, this case was always fine. Ignoring the fact while_each_thread() was
always buggy ;) Fortunately for_each_thread() should be fine.

Oleg.

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