[PATCH] 2.6 timebase synchronization

Benjamin Herrenschmidt benh at kernel.crashing.org
Sun Aug 10 19:39:08 EST 2003


On Sun, 2003-08-10 at 04:09, Paul Mackerras wrote:
> Samuel Rydh writes:
>
> > Attached is an improved version of the patch.
>
> How many SMP machines are there where we don't know how to freeze/thaw
> the timebase?  We know how to do that on the old powersurge powermacs,
> on CHRP systems and on at least some of the recent core99 powermacs
> (those that have a timebase-enable property on the cpu device nodes).
> What machines are left?

We know how to do it on some core99, though we don't actually do it
yet ;) We use software sync on all core99 for now.

Remaining are some older core99 machines, the 4-way DayStar oldworld
machines, and afaik, that's all...

Ben.


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