[PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver

Segher Boessenkool segher at kernel.crashing.org
Wed Jul 11 10:10:10 EST 2007


>>> 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.

Argh, of course you're right, I'm reading the wrong ISA
version again.  Sorry.


Segher




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