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SubjectRe: [PATCH] ktimers subsystem 2.6.14-rc2-kt5
Ingo Molnar wrote:
> * Roman Zippel <> wrote:
> >
>>The other thing is that this assumes, that all time sources are
>>programmable per cpu, otherwise it will be more complicated for a time
>>source to run the timers for every cpu, I don't know how safe that
>>assumption is. Changing the array of structures into an array of
>>pointers to the structures would allow to switch between percpu bases
>>and a single base.
> yeah, and that's an assumption that simplifies things on SMP
> significantly. PIT on SMP systems for HRT is so gross that it's not
> funny. If anyone wants to revive that notion, please do a separate patch
> and make the case convincing enough ...
Lets not talk about PIT, but, a lot of SMP platforms do NOT have per cpu timers. For those, it
would seem having per cpu lists to handle the timer is not really reasonable.

George Anzinger
HRT (High-res-timers):
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