Wakeup race checking shouldn't trigger when interrupts are off. Here's a
fix.
Daniel
Index: linux-2.6.12/kernel/rt.c
===================================================================
--- linux-2.6.12.orig/kernel/rt.c 2005-08-25 21:33:43.000000000 +0000
+++ linux-2.6.12/kernel/rt.c 2005-08-25 21:44:20.000000000 +0000
@@ -257,6 +257,7 @@ void check_preempt_wakeup(struct task_st
* hangs and race conditions.
*/
if (!preempt_count() &&
+ !__raw_irqs_disabled() &&
p->prio < current->prio &&
rt_task(p) &&
(current->rcu_read_lock_nesting != 0 ||
-
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