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RE: [Xen-devel] Windows SMP

> The problem is not SMP, is ACPI. I installed a non-ACPI Hal, but SMP
> capable, and the performance went right up with 4 virtual processors.
> I hope the developers can look into this mess.

Can you have ACPI enabled but APIC disabled, or is that not a valid

Or the other way around, can you have ACPI disabled but APIC enabled?

Maybe the APIC emulation is causing a performance loss?


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