From: Daniel Hazelton <dhazelton@enter.net>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Jeff Dike <jdike@addtoit.com>,
Andrew Morton <akpm@linux-foundation.org>,
Nix <nix@esperi.org.uk>,
linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [PATCH 1/6] UML - Deal with host time going backwards
Date: Wed, 4 Jun 2008 01:12:34 -0400 [thread overview]
Message-ID: <200806040112.35245.dhazelton@enter.net> (raw)
In-Reply-To: <m1zlq2vuh2.fsf@frodo.ebiederm.org>
On Tuesday 03 June 2008 09:50:49 pm Eric W. Biederman wrote:
> Jeff Dike <jdike@addtoit.com> writes:
> > On Tue, Jun 03, 2008 at 01:07:09PM -0700, Andrew Morton wrote:
> >> So if I change the host's time by an hour, the time will not advance at
> >> all on the guest for the next hour? Sounds suboptimal :)
> >
> > It is, but if the host is whacked, the guest just has to do the best that
> > it can...
>
> Could using a CLOCK_MONOTONIC time source fix this? Those timers do not
> change when we change the time on the host.
>
> Eric
I'm not all that familiar with the specifics of the code - my original
statements about possible causes were barely more than wild guesses - but
this does sound like it would work.
DRH
--
Dialup is like pissing through a pipette. Slow and excruciatingly painful.
next prev parent reply other threads:[~2008-06-04 5:12 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 19:02 [PATCH 1/6] UML - Deal with host time going backwards Jeff Dike
2008-06-03 19:32 ` Andrew Morton
2008-06-03 19:43 ` Daniel Hazelton
2008-06-03 19:52 ` Nix
2008-06-03 20:07 ` Andrew Morton
2008-06-03 20:37 ` Daniel Hazelton
2008-06-03 21:00 ` Jeff Dike
2008-06-04 1:50 ` Eric W. Biederman
2008-06-04 3:15 ` Jeff Dike
2008-06-04 5:12 ` Daniel Hazelton [this message]
2008-06-04 14:31 ` Jeremy Fitzhardinge
2008-06-04 19:37 ` Jeff Dike
2008-06-04 20:05 ` Jeremy Fitzhardinge
2008-06-05 15:30 ` Jeff Dike
2008-06-05 18:14 ` Nix
2008-06-05 19:47 ` Jeff Dike
2008-06-05 21:41 ` Nix
2008-06-05 18:19 ` Nix
-- strict thread matches above, loose matches on Subject: below --
2008-06-03 19:59 devzero
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