Messages in this thread | | | From | "David S. Miller" <> | Date | Thu, 11 Jan 2001 13:31:11 -0800 (PST) | Subject | Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0 |
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Nigel Gamble writes: > That's why MontaVista's kernel preemption patch uses sleeping mutex > locks instead of spinlocks for the long held locks.
Anyone who uses sleeping mutex locks is asking for trouble. Priority inversion is an issue I dearly hope we never have to deal with in the Linux kernel, and sleeping SMP mutex locks lead to exactly this kind of problem.
Later, David S. Miller davem@redhat.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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