zap_other_threads: don't optimize thread_group_empty() case
Nowadays thread_group_empty() and next_thread() are simple list operations, this optimization doesn't make sense: we are doing exactly same check one line below. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -985,9 +985,6 @@ void zap_other_threads(struct task_struct *p)
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p->signal->flags = SIGNAL_GROUP_EXIT;
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p->signal->flags = SIGNAL_GROUP_EXIT;
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p->signal->group_stop_count = 0;
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p->signal->group_stop_count = 0;
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if (thread_group_empty(p))
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return;
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for (t = next_thread(p); t != p; t = next_thread(t)) {
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for (t = next_thread(p); t != p; t = next_thread(t)) {
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/*
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/*
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* Don't bother with already dead threads
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* Don't bother with already dead threads
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