I'm assuming that this pulls "UTC" from the host and allows the guest to
have an offset "UTC" ... is this essentially correct?

Tony


> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On 
> Behalf Of Jeff Dike
> Sent: Thursday, April 13, 2006 6:53 PM
> To: john stultz
> Cc: linux-kernel@vger.kernel.org; 
> user-mode-linux-devel@lists.sourceforge.net
> Subject: Re: [uml-devel] Re: [RFC] PATCH 0/4 - Time virtualization
> 
> On Thu, Apr 13, 2006 at 05:31:27PM -0700, john stultz wrote:
> > Looks interesting. I've never quite understood the need for 
> different
> > time domains, it only allows you to run one domain with the 
> incorrect
> > time, but I'm sure there is some use case that is desired.
> 
> There are a few possible answers -
> 
> If when this virtualization stuff is done, no one has done 
> anything with
> time, someone is going to moan.
> 
> Once in a while, you want to fiddle your system clock to make 
> sure that
> a cron job or something does what it's supposed to.
> 
> There was some extra infrastructure that UML needed in order 
> to start using
> this stuff, so I chose a fairly simple virtualization case to 
> accompany it.
> 
> > I'm not psyched about possible namespace vs nanosecond confusion w/
> > terms like "time_ns", but that's pretty minor.
> 
> Yeah, names can be changed.
> 
> > Also I hope you're not wanting to deal w/ NTP adjustments between
> > domains that have the incorrect time? That would be very ugly.
> 
> No, the domain stores an offset from the system time, so it 
> automatically
> gets the system's NTP adjustments.
> 
>                               Jeff
> 
> 
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