Re: IA64 implementation of timesource for new time of day subsystem

From: David Mosberger
Date: Mon May 16 2005 - 16:07:09 EST


>>>>> On Mon, 16 May 2005 13:53:44 -0700, john stultz <johnstul@xxxxxxxxxx> said:


John> You've only pointed out two timesources that could want this
John> (ITC and TSC), so I think its reasonable to do your jitter
John> handling in the timesource driver. If there are other arches
John> that have non hardware synced per-cpu counters, then it would
John> be something to consider.

I think Christopher's point is that _all_ time-sources which require
software syncing will need this since it is not possible to sync
perfectly, even if there is no drift.

--david
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