Messages in this thread Patch in this message | | | Date | Thu, 23 Feb 2006 02:05:23 +0300 | From | Oleg Nesterov <> | Subject | [PATCH 5/6] do_group_exit: don't take tasklist_lock |
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do_group_exit() takes tasklist_lock for zap_other_threads(), this is unneeded now.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
--- 2.6.16-rc3/kernel/exit.c~5_DGE 2006-02-23 01:00:35.000000000 +0300 +++ 2.6.16-rc3/kernel/exit.c 2006-02-23 02:01:03.000000000 +0300 @@ -971,7 +971,6 @@ do_group_exit(int exit_code) else if (!thread_group_empty(current)) { struct signal_struct *const sig = current->signal; struct sighand_struct *const sighand = current->sighand; - read_lock(&tasklist_lock); spin_lock_irq(&sighand->siglock); if (sig->flags & SIGNAL_GROUP_EXIT) /* Another thread got here before we took the lock. */ @@ -981,7 +980,6 @@ do_group_exit(int exit_code) zap_other_threads(current); } spin_unlock_irq(&sighand->siglock); - read_unlock(&tasklist_lock); } do_exit(exit_code); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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