Messages in this thread | | | Subject | Re: [PATCH 2/2] powerpc: implement arch_scale_smt_power for Power7 | From | Benjamin Herrenschmidt <> | Date | Sun, 24 Jan 2010 14:00:28 +1100 |
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On Wed, 2010-01-20 at 16:09 -0600, Joel Schopp wrote: > I can turn that into a conditional branch (case statement) with a shift > for the common 1,2,4 cases which should cover all procs available today > falling back to a divide for any theoretical future processors that do > other numbers of threads.
Look at the cputhreads.h implementation ... Today we only support power-of-two numbers of threads.
Cheers, Ben.
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