Re: [patch] Voluntary Preempt additions
From: Robert Love
Date: Mon Oct 18 2004 - 13:40:52 EST
On Mon, 2004-10-18 at 10:49 -0700, Daniel Walker wrote:
> - Modified latency tracer to trace non-preemptable mutex locking , in
> /proc/lock_trace
Why?
It is a bug to have preemption disabled when entering non-atomic
(schedulable) code, and a stack trace is dumped if that happens.
Isn't that sufficient?
Robert Love
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