* Steven Rostedt | 2013-04-11 14:33:34 [-0400]: >As wait queue locks are notorious for long hold times, we can not >convert them to raw_spin_locks without causing issues with -rt. But >Thomas has created a "simple-wait" structure that uses raw spin locks >which may have been a good fit. > >Unfortunately, wait queues are not the only issue, as the mce_notify_irq >also does a schedule_work(), which grabs the workqueue spin locks that >have the exact same issue.
mce_notify_irq() can use simple_waitqueue, no? The other issue is that mce_report_event() is scheduling a per-cpu workqueue (mce_schedule_work) in case of a memory fault. This has the same issue. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
