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> low-latency kernel". Now, IF we can come to this decision, then > internal preemption is the way to do it. But it affects ALL kernel The pre-empt patches just make things much much harder to debug. They remove some of the predictability and the normal call chain following goes out of the window because you end up seeing crashes in a thread with no idea what ran the microsecond before Some of that happens now but this makes it vastly worse. The low latency patches don't change the basic predictability and debuggability but allow you to hit a 1mS pre-empt target for the general case. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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