Re: [PATCH 22/25] x86/mcheck: Do the init in one place

[Thomas Gleixner]

On Thu, 10 Nov 2016, Sebastian Andrzej Siewior wrote:

> On 2016-11-09 18:37:23 [+0000], Luck, Tony wrote:
> > > That's why the hotplug callback mce_disable_cpu() doesn't fiddle with
> > > CR4 - it only clears the bits in MCi_CTL. And I think we should remain
> > > that way.
> > 
> > N.B. See vendor_disable_error_reporting() ... on Intel we don't clear MCi_CTL.
> 
> okay. So I had a discussion with Boris and we agreed that we don't do
> the init part in one place only the timer stuff will be moved.
> If I understand Tony correctly then we undo something in
> vendor_disable_error_reporting() (on !INTEL CPUs) that we enable in
> identify_cpu().

Why on earth do we enable MCE stuff in identify_cpu() ?

Thanks,

	tglx