Re: [PATCH v6 07/11] x86/smpboot: Disable parallel boot for AMD CPUs

[Arjan van de Ven]

> However...
>
> Even though we *can* support non-X2APIC processors, we *might* want to
> play it safe and not go back that far; only enabling parallel bringup
> on machines with X2APIC which roughly correlates with "lots of CPUs"
> since that's where the benefit is.

I think that this is the right approach, at least on the initial patch series.
KISS principle; do all the easy-but-important cases first, get it stable and working
and in later series/kernels the range can be expanded.... if it matters.


>