Re: [patch x86/core] x86: allow number of additional hotplug CPUsto be set at compile time, V2

[H. Peter Anvin]

Ingo Molnar wrote:
> > The default number of additional CPU IDs for hotplugging is determined 
> > by asking ACPI or mptables how many "disabled" CPUs there are in the 
> > system, but many systems get this wrong so that e.g. a uniprocessor 
> > machine gets an extra CPU allocated and never switches to single CPU 
> > mode.
> >
> > And sometimes CPU hotplugging is enabled only for suspend/hibernate 
> > anyway, so the additional CPU IDs are not wanted. Allow the number to 
> > be set to zero at compile time.

Wouldn't this be better to have a runtime option?

	-hpa
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