From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: RE: question about hvm vhpet Date: Fri, 21 Nov 2008 15:32:52 +0000 Message-ID: References: <1038bace-a570-4b55-910e-048408320eba@default> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1038bace-a570-4b55-910e-048408320eba@default> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Dan Magenheimer , "Tian, Kevin" , xen-devel@lists.xensource.com Cc: Dave Winchell List-Id: xen-devel@lists.xenproject.org On 21/11/08 15:26, "Dan Magenheimer" wrote: > Agreed.... at least unless/until Dave Winchell's hpet > work gets resubmitted and accepted, hpet is not reliable > as a timer for most guests. And some OS's will > always automatically choose hpet if it is enabled > even, in some cases, if another clocksource was intended. > > So off is better... but we should be aware that turning > it off may provoke significant timer issues for some > customers who upgrade. The ideal solution is to get > Dave's code in and leave the vhpet default to on, but > I don't think Dave has had any time to work on this > (and I haven't had time either). vhpet is now based on vpt.c. -- Keir