Re: [PATCH 0/2] [RFC] posix clock tuning

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From: Christoph Lameter
Date: Saturday, September 4, 2010 - 6:47 pm

On Sat, 4 Sep 2010, Christian Riesch wrote:


A superficial scan does not give me any definite agreement on an approach.
The patchset also needs to be CCed to John Stultz. Without a summary I
still am not clear what this is supposed to address.

Tuning of the PTP clock can be done with driver specific configuration
rather than a new POSIX clock. That is at least how SGI_CYCLE is operating
which is similar.


Ok this goes more into something that may prove useful but it would be
very helpful still to have a clear discussion as to why this is all
needed. From what I can tell the functionality is already there and
another clock device (CLOCK_SGI_CYCLE) is already providing a model for
how a PTP clock could be controlled and used.


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Messages in current thread:
[PATCH 0/2] [RFC] posix clock tuning, Richard Cochran, (Fri Sep 3, 2:27 am)
[PATCH 2/2] posix clocks: introduce a sysfs presence., Richard Cochran, (Fri Sep 3, 2:30 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Christoph Lameter, (Sat Sep 4, 10:23 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Christian Riesch, (Sat Sep 4, 10:48 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Christoph Lameter, (Sat Sep 4, 6:37 pm)
Re: [PATCH 0/2] [RFC] posix clock tuning, Christoph Lameter, (Sat Sep 4, 6:47 pm)
Re: [PATCH 0/2] [RFC] posix clock tuning, Richard Cochran, (Sat Sep 4, 10:56 pm)
Re: [PATCH 0/2] [RFC] posix clock tuning, Richard Cochran, (Sat Sep 4, 11:22 pm)
Re: [PATCH 0/2] [RFC] posix clock tuning, Richard Cochran, (Sun Sep 5, 12:20 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Christoph Lameter, (Sun Sep 5, 4:13 pm)
Re: [PATCH 0/2] [RFC] posix clock tuning, Richard Cochran, (Mon Sep 6, 12:09 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Thomas Gleixner, (Thu Sep 9, 2:58 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Richard Cochran, (Thu Sep 9, 5:21 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Thomas Gleixner, (Thu Sep 9, 5:50 am)
Re: [PATCH 0/2] [RFC] posix clock tuning, Alan Cox, (Thu Sep 9, 8:02 am)
Re: [PATCH 2/2] posix clocks: introduce a sysfs presence., Richard Cochran, (Fri Sep 10, 2:31 am)