From: Chris Friesen <cfriesen@nortelnetworks.com>
To: Nick Craig-Wood <ncw@axis.demon.co.uk>
Cc: Dan Kegel <dank@kegel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: time goes backwards periodically on laptop if booted in low-power mode
Date: Mon, 18 Feb 2002 18:06:41 -0500 [thread overview]
Message-ID: <3C718901.2105C7B5@nortelnetworks.com> (raw)
In-Reply-To: <3C6FDB8C.9B033134@kegel.com> <20020218213049.A28604@axis.demon.co.uk> <3C71780F.6377F8D9@nortelnetworks.com> <20020218221214.A29199@axis.demon.co.uk>
Nick Craig-Wood wrote:
>
> On Mon, Feb 18, 2002 at 04:54:23PM -0500, Chris Friesen wrote:
> > Nick Craig-Wood wrote:
> > > I made a patch to fix this (this is its first outing). It stops
> > > do_gettimeofday reporting a time less than it reported last time.
> >
> > I see a minor problem here...what happens if you want to reset your clock (for
> > whatever purpose) to a previous time?
>
> Sorry that was a simplified explanation above.
Ooops, my bad (should've read the patch more closely). Time offsets can't go
backwards if jiffies stays the same. As long as jiffies is changed, then the
patch has no effect. Got it.
--
Chris Friesen | MailStop: 043/33/F10
Nortel Networks | work: (613) 765-0557
3500 Carling Avenue | fax: (613) 765-2986
Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com
prev parent reply other threads:[~2002-02-18 22:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-17 16:34 time goes backwards periodically on laptop if booted in low-power mode Dan Kegel
2002-02-18 21:30 ` Nick Craig-Wood
2002-02-18 21:50 ` Alan Cox
2002-02-18 21:56 ` Dan Kegel
2002-02-18 22:12 ` time goes backwards periodically on laptop if booted in low-power Alan Cox
2002-02-19 9:03 ` time goes backwards periodically on laptop if booted in low-power mode Nick Craig-Wood
2002-02-18 21:54 ` Chris Friesen
2002-02-18 22:12 ` Nick Craig-Wood
2002-02-18 23:06 ` Chris Friesen [this message]
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