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Date: Sat, 04 Sep 2010 19:48:02 +0200
From: Christian Riesch <christian.riesch@gmail.com>
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To: Christoph Lameter <cl@linux.com>
CC: Richard Cochran <richardcochran@gmail.com>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH 0/2] [RFC] posix clock tuning
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Christoph Lameter wrote:
> On Fri, 3 Sep 2010, Richard Cochran wrote:
>> Recently on the lkml, we discussed how to allow adjustment of posix
>> clocks. I have tried to understand and implement the ideas expressed
>> in the various threads.
....
> Could you explain why the existing interfaces are not sufficient that do
> what you describe?

Richard's idea is to support clock hardware for IEEE 1588 (PTP, 
Precision Time Protocol). Have a look at the earlier discussions:

http://lkml.org/lkml/2010/8/16/90
and
http://lkml.org/lkml/2010/8/23/49

Christian