From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: [PATCH] time-xen : Reset monotonic time when sync up time from dom0 to domU Date: Thu, 14 Oct 2010 16:35:42 -0700 Message-ID: <4CB793CE.50907@goop.org> References: <9C56B6AEEB2D60488B29B880DF7E53BE03C1B2C6B6@SSDEXCH2.websense.com> <4CB4672E020000780001C752@vpn.id2.novell.com> <0b6cc1b3-f838-482e-89dc-6f19cc8c47cc@default> <20101013161657.GJ4007@whitby.uk.xensource.com> <4CB5E2C3.9010500@goop.org> <20101014090737.GK4007@whitby.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20101014090737.GK4007@whitby.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Tim Deegan Cc: Dan Magenheimer , "xen-devel@lists.xensource.com" , Keir Fraser , Shunli Yi , Jan Beulich , Saipu Liu , Hang Du List-Id: xen-devel@lists.xenproject.org On 10/14/2010 02:07 AM, Tim Deegan wrote: > At 17:48 +0100 on 13 Oct (1286992083), Jeremy Fitzhardinge wrote: >>> There was a paper about this at OSDI last week: >>> http://www.usenix.org/events/osdi10/tech/full_papers/Broomhead.pdf >> Ooh, look, RADclock, just what I was thinking about. > Yes, it looks pretty good. Also they can use Xen stime as the local > oscillator and distribute drift numbers from xenstore, so no hypervisor > patches (and no hypervisor-interface changes) required. :) Neat! Is it something we should encourage them to submit for xen-unstable? J