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From: David Mosberger <davidm@napali.hpl.hp.com>
To: john stultz <johnstul@us.ibm.com>
Cc: David Mosberger <davidm@hpl.hp.com>,
	Christoph Lameter <clameter@sgi.com>,
	george anzinger <george@mvista.com>,
	lkml <linux-kernel@vger.kernel.org>,
	ia64 <linux-ia64@vger.kernel.org>
Subject: Re: gettimeofday nanoseconds patch (makes it possible for the
Date: Thu, 15 Jul 2004 03:57:56 +0000	[thread overview]
Message-ID: <16630.196.880937.911232@napali.hpl.hp.com> (raw)
In-Reply-To: <1089855319.1388.295.camel@cog.beaverton.ibm.com>

>>>>> On Wed, 14 Jul 2004 18:35:20 -0700, john stultz <johnstul@us.ibm.com> said:

  john> On Wed, 2004-07-14 at 18:16, David Mosberger wrote:
  >> >>>>> On Wed, 14 Jul 2004 17:48:06 -0700, john stultz
  >> <johnstul@us.ibm.com> said:

  >>  The existing time-interpolator code for ia64 never lets time go
  >> backwards (in the absence of a settimeofday(), of course).  There
  >> is no need to special-case NTP.

  John> I guess I don't understand then, from my looking over it I
  John> didn't see where the time_interpolator_get_offset() is scaled
  John> back when NTP is slewing the clock.

Are you looking at Christoph's code?  My explanation applies to the
old interpolation-code...

	--david

WARNING: multiple messages have this Message-ID (diff)
From: David Mosberger <davidm@napali.hpl.hp.com>
To: john stultz <johnstul@us.ibm.com>
Cc: David Mosberger <davidm@hpl.hp.com>,
	Christoph Lameter <clameter@sgi.com>,
	george anzinger <george@mvista.com>,
	lkml <linux-kernel@vger.kernel.org>,
	ia64 <linux-ia64@vger.kernel.org>
Subject: Re: gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy)
Date: Wed, 14 Jul 2004 20:57:56 -0700	[thread overview]
Message-ID: <16630.196.880937.911232@napali.hpl.hp.com> (raw)
In-Reply-To: <1089855319.1388.295.camel@cog.beaverton.ibm.com>

>>>>> On Wed, 14 Jul 2004 18:35:20 -0700, john stultz <johnstul@us.ibm.com> said:

  john> On Wed, 2004-07-14 at 18:16, David Mosberger wrote:
  >> >>>>> On Wed, 14 Jul 2004 17:48:06 -0700, john stultz
  >> <johnstul@us.ibm.com> said:

  >>  The existing time-interpolator code for ia64 never lets time go
  >> backwards (in the absence of a settimeofday(), of course).  There
  >> is no need to special-case NTP.

  John> I guess I don't understand then, from my looking over it I
  John> didn't see where the time_interpolator_get_offset() is scaled
  John> back when NTP is slewing the clock.

Are you looking at Christoph's code?  My explanation applies to the
old interpolation-code...

	--david

  reply	other threads:[~2004-07-15  3:57 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-14 16:41 gettimeofday nanoseconds patch (makes it possible for the posix-timer Christoph Lameter
2004-07-14 16:41 ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter
2004-07-14 20:09 ` gettimeofday nanoseconds patch (makes it possible for the john stultz
2004-07-14 20:09   ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) john stultz
2004-07-14 20:28   ` gettimeofday nanoseconds patch (makes it possible for the Christoph Lameter
2004-07-14 20:28     ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter
2004-07-14 21:14     ` gettimeofday nanoseconds patch (makes it possible for the David Mosberger
2004-07-14 21:14       ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) David Mosberger
2004-07-14 21:15     ` gettimeofday nanoseconds patch (makes it possible for the john stultz
2004-07-14 21:15       ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) john stultz
2004-07-15  0:08       ` gettimeofday nanoseconds patch (makes it possible for the Christoph Lameter
2004-07-15  0:08         ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter
2004-07-15  0:48         ` gettimeofday nanoseconds patch (makes it possible for the john stultz
2004-07-15  0:48           ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) john stultz
2004-07-15  1:16           ` gettimeofday nanoseconds patch (makes it possible for the David Mosberger
2004-07-15  1:16             ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) David Mosberger
2004-07-15  1:35             ` gettimeofday nanoseconds patch (makes it possible for the john stultz
2004-07-15  1:35               ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) john stultz
2004-07-15  3:57               ` David Mosberger [this message]
2004-07-15  3:57                 ` David Mosberger
2004-07-15 15:31             ` gettimeofday nanoseconds patch (makes it possible for the Christoph Lameter
2004-07-15 15:31               ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter
2004-07-15 16:14               ` gettimeofday nanoseconds patch (makes it possible for the john stultz
2004-07-15 16:14                 ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) john stultz
2004-07-15 17:03                 ` gettimeofday nanoseconds patch (makes it possible for the Christoph Lameter
2004-07-15 17:03                   ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter
2004-07-15 17:18                   ` gettimeofday nanoseconds patch (makes it possible for the john stultz
2004-07-15 17:18                     ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) john stultz
2004-07-15 22:59   ` gettimeofday nanoseconds patch (makes it possible for the posix-timer George Anzinger
2004-07-15 22:59     ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) George Anzinger
2004-07-16  2:44     ` gettimeofday nanoseconds patch (makes it possible for the Christoph Lameter
2004-07-16  2:44       ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter
2004-07-14 21:09 ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher Matthew Wilcox
2004-07-14 21:09   ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Matthew Wilcox
2004-07-14 21:27   ` gettimeofday nanoseconds patch (makes it possible for the Christoph Lameter
2004-07-14 21:27     ` gettimeofday nanoseconds patch (makes it possible for the posix-timer functions to return higher accuracy) Christoph Lameter

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