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From: Grant Grundler <grundler@parisc-linux.org>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Joel Soete <soete.joel@scarlet.be>,
	parisc-linux <parisc-linux@lists.parisc-linux.org>
Subject: Re: [parisc-linux] [PATCH] timer_interrupt and gettimeoffset.
Date: Sun, 3 Sep 2006 13:31:22 -0600	[thread overview]
Message-ID: <20060903193122.GA20217@colo.lackof.org> (raw)
In-Reply-To: <1157300093.3486.15.camel@mulgrave.il.steeleye.com>

On Sun, Sep 03, 2006 at 11:14:53AM -0500, James Bottomley wrote:
> Since the timer interrupts miss so many ticks, halftick processing looks
> like a good idea to me.

I was going to argue halfticks are a bad idea.
They just make it all more complicated.
My last version of the rewrite patch does away with them complete.

>   Thus, we have to assume gettimeoffset() can be
> negative by up to half a tick.  The current processing in
> do_gettimeofday() already copes nicely with this.

It deals nicely _without_ halfticks too.

grant
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  reply	other threads:[~2006-09-03 19:31 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-30 16:38 Re:[parisc-linux] [PATCH] timer_interrupt and gettimeoffset Joel Soete
2006-08-30 16:52 ` [parisc-linux] " Grant Grundler
2006-08-30 20:23   ` Carlos O'Donell
2006-09-02 15:52     ` James Bottomley
2006-09-03 15:00       ` Carlos O'Donell
2006-09-03 15:17         ` James Bottomley
2006-09-03 16:14         ` James Bottomley
2006-09-03 19:31           ` Grant Grundler [this message]
2006-09-04 15:51             ` James Bottomley
2006-09-04 16:57               ` John David Anglin
2006-09-04 17:23                 ` James Bottomley
2006-09-04 19:12                   ` John David Anglin
2006-09-04 21:21                 ` Grant Grundler
2006-09-04 22:47                   ` James Bottomley
2006-09-04 23:52                     ` John David Anglin
2006-09-05  5:12                       ` Grant Grundler
2006-09-05 15:53                         ` James Bottomley
2006-09-05 22:49                           ` Grant Grundler
2006-09-05 22:59                             ` James Bottomley
2006-09-05 23:41                             ` John David Anglin
2006-09-06  0:24                         ` John David Anglin
2006-09-03 19:38       ` Grant Grundler
2006-09-03 19:59         ` John David Anglin
2006-09-04  0:09           ` Grant Grundler
2006-09-04  0:58             ` John David Anglin
2006-09-04  3:51             ` John David Anglin
2006-09-04 15:49         ` James Bottomley
     [not found] <44FDE867.3090204@scarlet.be>
2006-09-05 21:35 ` John David Anglin
  -- strict thread matches above, loose matches on Subject: below --
2006-08-30  4:48 Carlos O'Donell
2006-08-31  6:53 ` Grant Grundler
2006-08-31 18:52   ` Carlos O'Donell
2006-08-31 21:46     ` Grant Grundler
2006-09-03 14:54       ` Carlos O'Donell
2006-09-03 19:55         ` Grant Grundler
2006-09-03 20:29           ` James Bottomley
2006-09-03 20:30           ` Carlos O'Donell
2006-09-03 21:22             ` John David Anglin
2006-09-01 22:48   ` Grant Grundler
2006-09-01 22:59     ` Grant Grundler

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