Re: [PATCH 17/22 -v7] mcount tracer for wakeup latency timings.

[Steven Rostedt]

On Wed, 30 Jan 2008, Peter Zijlstra wrote:

>
> On Tue, 2008-01-29 at 22:15 -0500, Steven Rostedt wrote:
>
> > +static void notrace __wakeup_reset(struct tracing_trace *tr)
[...]
> > +
> > +	wakeup_task = NULL;
> > +
> > +	/*
> > +	 * Don't let the trace_enabled = 1 show up before
> > +	 * the wakeup_task is reset.
> > +	 */
> > +	smp_wmb();
> > +}
>
> Another un-balanced barrier.


This one is probably me being paranoid, but even so, it should have a
pair.  Will fix.

-- Steve

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