Re: [x86-tip] strange nr_cpus= boot regression

[Thomas Gleixner]

Mike,

On Mon, 26 Sep 2016, Thomas Gleixner wrote:
> On Mon, 26 Sep 2016, Mike Galbraith wrote:
> 
> > I've encountered a strange regression in tip, symptom is that if you
> > boot with nr_cpus=nr_you_have, what actually boots is nr_you_have/2. 
> >  Do not pass nr_cpus=, and all is well. 
> 
> What's the number of possible cpus in your system?

Can you please provide your .config and the dmesg of a bad and a good run?
  
Thanks,

	tglx