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SubjectRe: [PATCH 2/2] powerpc: implement arch_scale_smt_power for Power7
On Mon, 2010-01-25 at 11:50 -0600, Joel Schopp wrote:
> > Look at the cputhreads.h implementation ... Today we only support
> > power-of-two numbers of threads.
> >
> I've run 3 threads using cpu hotplug to offline 1 of the 4. It's
> certainly a stupid idea, but there you go.

Oh, you mean you need to use the actual online count ? In which case,
yes, you do indeed need to be a bit more careful... In this case though,
you're probably better off special casing "3" :-)


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