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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