From: Christian Riesch <christian.riesch-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
Cc: Richard Cochran
<richardcochran-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 0/2] [RFC] posix clock tuning
Date: Sat, 04 Sep 2010 19:48:02 +0200 [thread overview]
Message-ID: <4C828652.4060804@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1009041221240.888-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
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
WARNING: multiple messages have this Message-ID (diff)
From: Christian Riesch <christian.riesch@gmail.com>
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
Date: Sat, 04 Sep 2010 19:48:02 +0200 [thread overview]
Message-ID: <4C828652.4060804@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1009041221240.888@router.home>
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
next prev parent reply other threads:[~2010-09-04 17:48 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-03 9:27 [PATCH 0/2] [RFC] posix clock tuning Richard Cochran
2010-09-03 9:27 ` Richard Cochran
2010-09-03 9:29 ` [PATCH 1/2] posix clocks: introduce a syscall for " Richard Cochran
[not found] ` <7f4815cdfcf5bc49df4bdd09d59a4f56ca2598f5.1283504065.git.richard.cochran-3mrvs1K0uXizZXS1Dc/lvw@public.gmane.org>
2010-09-03 9:58 ` Richard Cochran
2010-09-03 9:58 ` Richard Cochran
2010-09-04 14:06 ` Richard Cochran
2010-09-04 14:06 ` Richard Cochran
2010-09-09 10:49 ` Thomas Gleixner
2010-09-09 10:49 ` Thomas Gleixner
[not found] ` <alpine.LFD.2.00.1009091159260.2477-bi+AKbBUZKagILUCTcTcHdKyNwTtLsGr@public.gmane.org>
2010-09-09 13:34 ` Richard Cochran
2010-09-09 13:34 ` Richard Cochran
[not found] ` <20100909133449.GB2823-7KxsofuKt4IfAd9E5cN8NEzG7cXyKsk/@public.gmane.org>
2010-09-09 20:10 ` Thomas Gleixner
2010-09-09 20:10 ` Thomas Gleixner
[not found] ` <alpine.LFD.2.00.1009092102150.2477-bi+AKbBUZKagILUCTcTcHdKyNwTtLsGr@public.gmane.org>
2010-09-09 21:16 ` Thomas Gleixner
2010-09-09 21:16 ` Thomas Gleixner
2010-09-09 22:53 ` john stultz
[not found] ` <1284072793.2762.259.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-09-10 9:23 ` Richard Cochran
2010-09-10 9:23 ` Richard Cochran
2010-09-09 21:01 ` john stultz
[not found] ` <1284066084.2762.172.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-09-09 21:31 ` Thomas Gleixner
2010-09-09 21:31 ` Thomas Gleixner
2010-09-04 17:23 ` [PATCH 0/2] [RFC] posix " Christoph Lameter
[not found] ` <alpine.DEB.2.00.1009041221240.888-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
2010-09-04 17:48 ` Christian Riesch [this message]
2010-09-04 17:48 ` Christian Riesch
[not found] ` <4C828652.4060804-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2010-09-05 1:37 ` Christoph Lameter
2010-09-05 1:37 ` Christoph Lameter
[not found] ` <alpine.DEB.2.00.1009042036540.9425-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
2010-09-05 5:56 ` Richard Cochran
2010-09-05 5:56 ` Richard Cochran
2010-09-05 1:47 ` Christoph Lameter
2010-09-05 1:47 ` Christoph Lameter
[not found] ` <alpine.DEB.2.00.1009042042130.9425-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
2010-09-05 6:22 ` Richard Cochran
2010-09-05 6:22 ` Richard Cochran
2010-09-05 7:20 ` Richard Cochran
2010-09-05 23:13 ` Christoph Lameter
[not found] ` <alpine.DEB.2.00.1009051759100.3480-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
2010-09-06 7:09 ` Richard Cochran
2010-09-06 7:09 ` Richard Cochran
[not found] ` <cover.1283504065.git.richard.cochran-3mrvs1K0uXizZXS1Dc/lvw@public.gmane.org>
2010-09-03 9:30 ` [PATCH 2/2] posix clocks: introduce a sysfs presence Richard Cochran
2010-09-03 9:30 ` Richard Cochran
[not found] ` <84124d2479b8967cac2b35f852fc0fcae6ad9444.1283504065.git.richard.cochran-3mrvs1K0uXizZXS1Dc/lvw@public.gmane.org>
2010-09-09 22:19 ` john stultz
2010-09-09 22:19 ` john stultz
2010-09-09 23:00 ` Alan Cox
2010-09-09 23:00 ` Alan Cox
[not found] ` <20100910000008.1483fdd7-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2010-09-10 9:31 ` Richard Cochran
2010-09-10 9:31 ` Richard Cochran
[not found] ` <20100910093135.GB10179-7KxsofuKt4IfAd9E5cN8NEzG7cXyKsk/@public.gmane.org>
2010-09-11 0:20 ` Greg KH
2010-09-11 0:20 ` Greg KH
2010-09-09 9:58 ` [PATCH 0/2] [RFC] posix clock tuning Thomas Gleixner
2010-09-09 9:58 ` Thomas Gleixner
[not found] ` <alpine.LFD.2.00.1009091152300.2477-bi+AKbBUZKagILUCTcTcHdKyNwTtLsGr@public.gmane.org>
2010-09-09 12:21 ` Richard Cochran
2010-09-09 12:21 ` Richard Cochran
[not found] ` <20100909122156.GA2823-7KxsofuKt4IfAd9E5cN8NEzG7cXyKsk/@public.gmane.org>
2010-09-09 12:50 ` Thomas Gleixner
2010-09-09 12:50 ` Thomas Gleixner
[not found] ` <alpine.LFD.2.00.1009091443250.2477-bi+AKbBUZKagILUCTcTcHdKyNwTtLsGr@public.gmane.org>
2010-09-09 15:02 ` Alan Cox
2010-09-09 15:02 ` Alan Cox
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