Messages in this thread | | | Subject | Re: [PATCH 2/2] powerpc: implement arch_scale_smt_power for Power7 | From | Benjamin Herrenschmidt <> | Date | Tue, 26 Jan 2010 15:23:56 +1100 |
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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" :-)
Cheers, Ben.
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