Re: [Xen-devel] [PATCH]x86: Increase the default NR_CPUS to 128.

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 10.03.10 15:21 >>>
>It would certainly be nice, but at least we can boot all CPUs and run VMs
>across them, minus the finer-grained control. Is this halfway default
>solution for these bigger machines worse than not making an effort at all?

Not sure - with NUMA also defaulting to on, guest creation may fail
because of the failure to enforce the affinity. Not nice, especially
since (I think; a general problem of the tools) the error indication is
rather hard to interpret by someone not knowing the source code.

>At the end of the day packagers can make up their own minds.

Certainly.

Jan


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