Re: [PATCH] x86: introduce max_physical_apicid for bigsmp switching

[Ingo Molnar]

* Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:

> one multi-sockets system with 3 or 4 ioapics, when 4 dualcore cpus or 
> 2 quadcore cpus installed, need to switch to bigsmp or physflat. 
> because cpu apic id is [4,11] instead of [0,7], and we need to check 
> max apic id instead of cpu numbers.
> 
> also add check for 32 bit when acpi is not compiled in or acpi=off

applied to tip/x86/mpparse, thanks.

	Ingo
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