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SubjectRe: [patch] sys_exit() threading improvements, BK-curr

the attached patch (against BK-curr) fixes the Mozilla SMP lockup in the
exit path.

Ingo

--- linux/kernel/signal.c.orig Sat Sep 14 11:25:30 2002
+++ linux/kernel/signal.c Sat Sep 14 11:42:29 2002
@@ -280,10 +284,12 @@
if (atomic_read(&sig->count) == 1 &&
leader->state == TASK_ZOMBIE) {
__remove_thread_group(tsk, sig);
+ spin_unlock(&sig->siglock);
do_notify_parent(leader, leader->exit_signal);
- } else
+ } else {
__remove_thread_group(tsk, sig);
- spin_unlock(&sig->siglock);
+ spin_unlock(&sig->siglock);
+ }
}
clear_tsk_thread_flag(tsk,TIF_SIGPENDING);
flush_sigqueue(&tsk->pending);
-
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