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