Subject: Re: [linux-audio-dev] low-latency scheduling patch for 2.4.0
From: David S. Miller (davem_AT_redhat.com)
Date: Thu Jan 11 2001 - 23:31:11 EET
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_AT_redhat.com
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