On Fri, 26 Aug 2005, Alex Williamson wrote:
> Would we ever want to favor a frequency shifting timer over anything
> else in the system? If it was noticeable perhaps we'd just need a
> callback to re-evaluate the frequency and rescan for the best timer. If
> it happens without notice, a flag that statically assigns it the lowest
> priority will due. Or maybe if the driver factored the frequency
> shifting into the drift it would make the timer undesirable without
> resorting to flags. Thanks,
Timers are usually constant. AFAIK Frequency shifts only occur through
power management. In that case we usually have some notifiers running
before the change. These notifiers need to switch to a different time
source if the timer frequency will be shifting or the timer will become
unavailable.
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