On Mon, Aug 27, 2007 at 12:02:24PM +0200, Guennadi Liakhovetski wrote: > As long as your non-realtime tasks are allowed to take locks, that also > prevent real-time tasks from preempting them, and as long as you haven't > proved that all those locks in all your non-realtime sources can never > under any circumstances last longer than your pre-defined limit, it is not > a hard-realtime OS. Yes, but that's only true for locks shared between rt and non-rt threads. You surely have to design an interface between high and low priority parts of an RT system following certain rules, but that's the same with all hard realtime systems. Robert -- Pengutronix - Linux Solutions for Science and Industry Entwicklungszentrum Nord http://www.pengutronix.de - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
