Re: [PATCH] clocksource/cadence_ttc: Reuse clocksource as sched_clock

[SÃren Brinkmann]

On Fri, Jul 05, 2013 at 08:30:47AM +0200, Thomas Gleixner wrote:
> On Wed, 3 Jul 2013, Soren Brinkmann wrote:
> 
> > Reuse the TTC clocksource timer as sched clock, too. Since only a single
> > sched clock is supported in Linux, this feature optional and can be
> > selected through Kconfig.
> 
> This changelog doesn't make sense.
> 
> There can be only one active sched_clock, but that does no mean, that
> you cannot have different implementations compiled in.
> 
> So if you disable this config which sched_clock is your kernel using?
Jiffies

> And if you enable it, how is guaranteed that you end up with the ttc
> sched_clock as the active one? Just due to initcall ordering?
I assumed so. Is there a different mechanism?

	SÃren


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