Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753246AbYFDBvo (ORCPT ); Tue, 3 Jun 2008 21:51:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750990AbYFDBve (ORCPT ); Tue, 3 Jun 2008 21:51:34 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:35742 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750695AbYFDBvd (ORCPT ); Tue, 3 Jun 2008 21:51:33 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Jeff Dike Cc: Andrew Morton , Nix , dhazelton@enter.net, linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net References: <20080603190235.GA9511@c2.user-mode-linux.org> <20080603123211.e129c222.akpm@linux-foundation.org> <200806031543.56864.dhazelton@enter.net> <878wxmfg99.fsf@hades.wkstn.nix> <20080603130709.fcf6a751.akpm@linux-foundation.org> <20080603210048.GA12182@c2.user-mode-linux.org> Date: Tue, 03 Jun 2008 18:50:49 -0700 In-Reply-To: <20080603210048.GA12182@c2.user-mode-linux.org> (Jeff Dike's message of "Tue, 3 Jun 2008 17:00:48 -0400") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SA-Exim-Connect-IP: 24.130.11.59 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-DCC: XMission; sa02 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Jeff Dike X-Spam-Report: * -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0023] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa02 1397; Body=1 Fuz1=1 Fuz2=1] * 1.0 XMPlayFrnd1 XMPlayFrnd: Play Friend Spam 1 Or More Qualities * 0.0 XM_SPF_Neutral SPF-Neutral Subject: Re: [PATCH 1/6] UML - Deal with host time going backwards X-SA-Exim-Version: 4.2 (built Thu, 03 Mar 2005 10:44:12 +0100) X-SA-Exim-Scanned: Yes (on mgr1.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 18 Jeff Dike 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/