From: Keir Fraser <keir.fraser@eu.citrix.com>
To: John Levon <levon@movementarian.org>,
Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Ian Pratt <Ian.Pratt@eu.citrix.com>,
Nils Nieuwejaar <nils.nieuwejaar@gmail.com>,
Dave Winchell <dwinchell@virtualiron.com>,
"Xen-Devel (E-mail)" <xen-devel@lists.xensource.com>
Subject: Re: RE: [PATCH] rendezvous-based local time calibration WOW!
Date: Mon, 11 Aug 2008 15:38:31 +0100 [thread overview]
Message-ID: <C4C60D77.25537%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <20080811143713.GA17732@totally.trollied.org.uk>
On 11/8/08 15:37, "John Levon" <levon@movementarian.org> wrote:
> It's only non-zero if we can indeed reschedule fast enough. If it's now
> below the threshold, then we can consider it effectively fixed. Only
> testing can really tell us that.
Depending on how critical this guarantee is, I wouldn't rely on Xen to
perform perfectly. Probably you should keep your lock.
-- Keir
next prev parent reply other threads:[~2008-08-11 14:38 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-03 16:50 [PATCH] rendezvous-based local time calibration WOW! Dan Magenheimer
2008-08-03 17:24 ` Keir Fraser
2008-08-04 15:24 ` Dan Magenheimer
2008-08-04 15:36 ` Keir Fraser
2008-08-04 17:10 ` Keir Fraser
2008-08-04 17:37 ` Dan Magenheimer
2008-08-04 19:40 ` Dan Magenheimer
2008-08-04 19:47 ` Keir Fraser
2008-08-05 18:56 ` John Levon
2008-08-05 20:49 ` Dan Magenheimer
2008-08-05 21:12 ` John Levon
2008-08-05 21:27 ` Dan Magenheimer
2008-08-05 21:43 ` Keir Fraser
2008-08-06 13:25 ` Dan Magenheimer
2008-08-06 13:38 ` John Levon
2008-08-06 15:09 ` Dan Magenheimer
2008-08-06 15:21 ` John Levon
2008-08-06 15:34 ` Dan Magenheimer
2008-08-09 14:47 ` Nils Nieuwejaar
2008-08-09 20:55 ` Dan Magenheimer
2008-08-11 14:37 ` John Levon
2008-08-11 14:38 ` Keir Fraser [this message]
2008-08-11 14:43 ` John Levon
2008-08-11 14:46 ` Keir Fraser
2008-08-11 14:49 ` John Levon
2008-08-11 14:50 ` Keir Fraser
2008-08-11 18:41 ` John Levon
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