Re: x86_64: up to 255 or 256 CPUs?

From: William Lee Irwin III
Date: Mon Feb 19 2007 - 19:46:01 EST


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.


-- wli
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/