[Nouveau] [BUG/PATCH] x86 mmiotrace: dynamically disable non-boot CPUs

[Ingo Molnar]

* Pekka Paalanen <pq at iki.fi> wrote:

> > So i think we need to fix your automatic-cpudown/cpuup patch. I 
> > tried that and it worked very intuitively and the cpus were 
> > disabled/enabled without any trouble - with ftrace based mmiotrace 
> > we now basically have something that most distros could enable by 
> > default without thinking twice about it.
> 
> Without any trouble - you didn't hit the bug I did?

i did get the warning both on enable/disable but it still worked.

	Ingo