Messages in this thread | | | Date | Thu, 14 Oct 2004 22:00:51 -0400 (EDT) | Subject | Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U0 | From | Robert Wisniewski <> |
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Theoretically a problem, in practice not, i.e., good enough for soft/normal real-time, not hard real-time; probably wouldn't want my heart monitor on it, but then I wouldn't be using Linux for that either :-)
Robert Wisniewski The K42 MP OS Project Advanced Operating Systems Scalable Parallel Systems IBM T.J. Watson Research Center 914-945-3181 http://www.research.ibm.com/K42/ bob@watson.ibm.com
Roland Dreier writes: > Karim> cmpxchg (basically: try reserve; if fail retry; else > Karim> write), with per-cpu buffers. > > Not sure if I really understand the context where Ingo would use this, > but this lockless scheme doesn't seem to be safe for realtime; the > retry can potentially happen an arbitrary number of times. > > - Roland - 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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