On Sat, 2006-04-08 at 03:28 +0400, Oleg Nesterov wrote:
> zap_process() disables irqs while traversing ->thread_group list.
> So yes, if a process has a lot of threads it will be a latency regression.
> (but again, __group_complete_signal() does the same while delivering this
> signal, so I don't think this change can make things worse).
>
> However this allows us to avoid tasklist_lock in zap_threads() so I think
> it is worth it. Please note that tasklist_lock was held while iterating
> over _all_ threads in system, not only current's thread group.
>
OK sounds good.
Lee
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