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Message-Id: <200806040112.35245.dhazelton@enter.net>
Date:	Wed, 4 Jun 2008 01:12:34 -0400
From:	Daniel Hazelton <dhazelton@...er.net>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Jeff Dike <jdike@...toit.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nix <nix@...eri.org.uk>, linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net
Subject: Re: [PATCH 1/6] UML - Deal with host time going backwards

On Tuesday 03 June 2008 09:50:49 pm Eric W. Biederman wrote:
> Jeff Dike <jdike@...toit.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.
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