Re: x86_64: up to 255 or 256 CPUs?

On Tue, Feb 20, 2007 at 01:06:47AM +0100, Adrian Bunk wrote:
> Quoting arch/x86_64/Kconfig:
> <--  snip  -->
> ...
> config NR_CPUS
>         int "Maximum number of CPUs (2-256)"
>         range 2 255
> ...
> <--  snip  -->
> cu
> Adrian

The broadcast APIC ID clashes with the 256th cpu.


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Follow-Ups:
- Re: x86_64: up to 255 or 256 CPUs?
  - From: Andi Kleen <[email protected]>

References:
- x86_64: up to 255 or 256 CPUs?
  - From: Adrian Bunk <[email protected]>

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