up port rt patches to 2.6.37

["N, Mugunthan V" <mugunthanvnm@xxxxxx>]

Hi

I am trying to up port the rt patches patch-2.6.33.7.2-rt30 to 2.6.37 kernel for arm. I have ported the patches except "set_workqueue_prio".

diff --git a/kernel/workqueue.c b/kernel/workqueue.c

@@ -1176,4 +1223,5 @@ void __init init_workqueues(void)
 	hotcpu_notifier(workqueue_cpu_callback, 0);
 	keventd_wq = create_workqueue("events");
 	BUG_ON(!keventd_wq);
+	set_workqueue_prio(keventd_wq, SCHED_FIFO, 1, -20);
 }

While booting the kernel, no user space process is coming up.
After run_init_process(), init process has to start executing, but init process never comes up.

---
Regards,
Mugunthan V N. 

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