Re: [Xen-devel] recent major -unstable changes cause ia64 build to bebroken

[Hollis Blanchard <hollisb@xxxxxxxxxx>]

On May 11, 2005, at 10:33 AM, Ian Pratt wrote:

> > Another new problem due to a common change...
> >
> > xen/include/xen/cpumask.h declares:
> >
> >   extern cpumask_t cpu_online_map;
> >
> > However, with CONFIG_SMP off, xen/include/xen/smp.h defines
> > cpu_online_map to 1.
> It's daft that we even have a CONFIG_SMP option in Xen. It spends most
> of its time broken because no-one using x86 builds it, and you won't
> even be able to buy any non SMP hardware before long...
>
> I'd vote for expunging CONFIG_SMP.
I've had this problem before too, and I wished that UP Xen would build, 
since so far I haven't worried about SMP on PowerPC at all, and I think 
Dan is in the same situation.
However, since nobody builds UP on x86 then it will continually be 
broken. I guess we could say goodbye to CONFIG_SMP and architectures 
without SMP support can just stub out the SMP functions, #define 
NR_CPUS 1, etc. This is what I'm doing now... Dan, does that work for 
you?
--
Hollis Blanchard
IBM Linux Technology Center


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