support for 4-way amd-64 ?

Jakub Jelinek jakub at redhat.com
Fri Mar 26 15:39:22 UTC 2004


On Fri, Mar 26, 2004 at 07:30:19AM -0800, Joel Jaeggli wrote:
> On Fri, 26 Mar 2004, Axel Jerabek wrote:
> 
> > but will it support 4 processors too?
> 
> The kernel is agnostic about how many proccessors you have have, you have 
> either one or more than one. 

That's not exactly right, SMP kernels support up to CONFIG_NR_CPUS cpus,
which is a kernel config setting.
The x86-64 kernels in Fedora have this set to 8, on other architectures it
is more (but 8 is the maximum of Opteron 84x chips you can have in one box
AFAIK).

	Jakub





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