Messages in this thread | | | Date | Tue, 22 Aug 2006 12:44:46 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/3] futex_find_get_task: don't take tasklist_lock |
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* Oleg Nesterov <oleg@tv-sign.ru> wrote:
> It is ok to do find_task_by_pid() + get_task_struct() under > rcu_read_lock(), we cand drop tasklist_lock. > > Note that testing of ->exit_state is racy with or without tasklist > anyway. > > Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
yeah. (We did this in the -rt tree for some time too, never saw any problems.)
Acked-by: Ingo Molnar <mingo@elte.hu>
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