[PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver

Paul Mackerras paulus at samba.org
Wed Jul 11 09:31:17 EST 2007


Segher Boessenkool writes:

> > This scales with the number of processors since there is one
> > decrementer per core (is it per thread on SMT chips?
> > I don't know).
> 
> One per core.

No, each thread has its own decrementer, but the timebase is shared.

Paul.



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