Re: [Xen-users] xen kernel smp; but only one cpu

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> Booting my Xen Dom0 on Debian Etch (Kernel is the prebuild one from
> bits.xensource.com), I found that only one cpu core (of two: dual core)
> is recognized by the (dom0-)Kernel. Googling this issue, I found on
> xen-devel-list that xen kernel is named smp but isn't really doing so.
> Is there any (prebuild) kernel that I can use for smp?

I think dom0 only uses one CPU by default - this is by design.  You should be 
able to add more CPUs to it (I'm not sure how, although maybe vcpu-add would 
work).

domUs should also be able to be SMP perfectly happily, if they have support 
compiled in.

The reference you found on the xen-devel list is probably out of date now: it 
used to be that Xen supported multiprocessor systems, but guests could only 
be uniprocessor.  This is no longer the case, since Xen 3.0, so you shouldn't 
have to worry about it.

Hope this helps you get up and running!

Cheers,
Mark


-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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