linux-kernel - Re: [PATCH 2/3] ptp: add a software clock based on clock_monotonic

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Date:	Fri, 4 Mar 2011 07:46:39 +0100
From:	Richard Cochran <richardcochran@...il.com>
To:	john stultz <johnstul@...ibm.com>
Cc:	Torben Hohn <torbenh@....de>, linux-kernel@...r.kernel.org,
	richard.cochran@...cron.at, tglx@...utronix.de
Subject: Re: [PATCH 2/3] ptp: add a software clock based on
 clock_monotonic_raw

On Thu, Mar 03, 2011 at 11:34:04AM -0800, john stultz wrote:
> On Thu, 2011-03-03 at 18:26 +0100, Torben Hohn wrote:
> > First version of a software clock. Not very useful yet,
> > as it doesnt generate events, but at least it allows
> > for testing the ptp framework without special hardware.
> 
> So in the past, I pushed back on Richard for having something similar,
> as I'm not psyched about duplicating interfaces. However, your
> implementation is CLOCK_MONOTONIC_RAW instead of CLOCK_REALTIME and it
> keeps the adjustments internal, I'm not as opposed.

(Aha! So it is okay after all ;)

I do think a software only PHC will make it easier for people to get
started with the new interface. I have been carrying along such a
patch privately for my own testing.

Thanks,

Richard
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