linux-kernel - Re: [RFC][patch 00/12] clocksource / timekeeping rework V2

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Date:	Wed, 29 Jul 2009 19:09:38 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	dwalker@...o99.com
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	john stultz <johnstul@...ibm.com>
Subject: Re: [RFC][patch 00/12] clocksource / timekeeping rework V2

On Wed, 29 Jul 2009 11:02:21 -0600
dwalker@...o99.com wrote:

> On Wed, 2009-07-29 at 18:50 +0200, Martin Schwidefsky wrote:
> 
> > void clocksource_change_rating(struct clocksource *cs, int rating)
> 
> > the two functions do different things. What exactly is the idea you've
> > got in mind?
> 
> It's only the case when the rating goes to zero .. That makes the
> clocksource unusable, which is very much like unregistering it..

True, the clocksource code won't pick the clock any more as long as
there is an alternative clock available. It still shows up in the list
of clocks though and you can do an override with it. 

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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