Messages in this thread | | | Date | Sat, 4 Feb 2023 10:18:55 -0800 | Subject | Re: [PATCH v6 07/11] x86/smpboot: Disable parallel boot for AMD CPUs | From | Arjan van de Ven <> |
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> > 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.
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