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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jeff Dike <jdike@addtoit.com>
Cc: Nix <nix@esperi.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	user-mode-linux-devel@lists.sourceforge.net, dhazelton@enter.net
Subject: Re: [uml-devel] [PATCH 1/6] UML - Deal with host time going backwards
Date: Wed, 04 Jun 2008 15:31:58 +0100	[thread overview]
Message-ID: <4846A75E.40305@goop.org> (raw)
In-Reply-To: <20080603210048.GA12182@c2.user-mode-linux.org>

Jeff Dike wrote:
> 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...
>   

Shouldn't UML use a monotonic host clock for guest timekeeping?

    J

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WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jeff Dike <jdike@addtoit.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Nix <nix@esperi.org.uk>,
	dhazelton@enter.net, 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, 04 Jun 2008 15:31:58 +0100	[thread overview]
Message-ID: <4846A75E.40305@goop.org> (raw)
In-Reply-To: <20080603210048.GA12182@c2.user-mode-linux.org>

Jeff Dike wrote:
> 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...
>   

Shouldn't UML use a monotonic host clock for guest timekeeping?

    J

  parent reply	other threads:[~2008-06-04 14:32 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-03 19:02 [uml-devel] [PATCH 1/6] UML - Deal with host time going backwards Jeff Dike
2008-06-03 19:02 ` Jeff Dike
2008-06-03 19:32 ` [uml-devel] " Andrew Morton
2008-06-03 19:32   ` Andrew Morton
2008-06-03 19:43   ` [uml-devel] " Daniel Hazelton
2008-06-03 19:43     ` Daniel Hazelton
2008-06-03 19:52     ` [uml-devel] " Nix
2008-06-03 19:52       ` Nix
2008-06-03 20:07       ` [uml-devel] " Andrew Morton
2008-06-03 20:07         ` Andrew Morton
2008-06-03 20:37         ` [uml-devel] " Daniel Hazelton
2008-06-03 20:37           ` Daniel Hazelton
2008-06-03 21:00         ` [uml-devel] " Jeff Dike
2008-06-03 21:00           ` Jeff Dike
2008-06-04  1:50           ` [uml-devel] " Eric W. Biederman
2008-06-04  1:50             ` Eric W. Biederman
2008-06-04  3:15             ` [uml-devel] " Jeff Dike
2008-06-04  3:15               ` Jeff Dike
2008-06-04  5:12             ` [uml-devel] " Daniel Hazelton
2008-06-04  5:12               ` Daniel Hazelton
2008-06-04 14:31           ` Jeremy Fitzhardinge [this message]
2008-06-04 14:31             ` Jeremy Fitzhardinge
2008-06-04 19:37             ` [uml-devel] " Jeff Dike
2008-06-04 19:37               ` Jeff Dike
2008-06-04 20:05               ` [uml-devel] " Jeremy Fitzhardinge
2008-06-04 20:05                 ` Jeremy Fitzhardinge
2008-06-05 15:30                 ` [uml-devel] " Jeff Dike
2008-06-05 15:30                   ` Jeff Dike
2008-06-05 18:14                   ` [uml-devel] " Nix
2008-06-05 18:14                     ` Nix
2008-06-05 19:47                     ` [uml-devel] " Jeff Dike
2008-06-05 19:47                       ` Jeff Dike
2008-06-05 21:41                       ` [uml-devel] " Nix
2008-06-05 21:41                         ` Nix
2008-06-05 18:19                   ` [uml-devel] " Nix
2008-06-05 18:19                     ` Nix
  -- strict thread matches above, loose matches on Subject: below --
2008-06-03 19:59 [uml-devel] " devzero

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