Re: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver

From: Daniel Walker
Date: Fri May 18 2007 - 11:42:07 EST


On Fri, 2007-05-18 at 19:06 +0400, Sergei Shtylyov wrote:
> Daniel Walker wrote:
>
> >>I haven't looked at all the new clock/timer code, is there any
> >>utility in having support for more than one clock source?
>
> > There is if the main clocksource has some issues where it can't be used.
>
> You mean, having more than one clocksource is *useful* in this case?

Yes.

> Well, the decrementer frequency may change, at least in theory (if the bus
> clock changes).

Does that happen very often?

Daniel

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