From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: x86 Physical CPUs at different frequencies - timer error messages Date: Fri, 27 Jul 2007 15:32:47 +0100 Message-ID: References: <1449F58C868D8D4E9C72945771150BDF02076F79@SAUSEXMB1.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1449F58C868D8D4E9C72945771150BDF02076F79@SAUSEXMB1.amd.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: "Langsdorf, Mark" , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 27/7/07 15:30, "Langsdorf, Mark" wrote: >> No. The code belongs in Xen itself. Otherwise no other >> domains will pick up the new scale factor, and even >> dom0 itself may lose it as soon as it >> re-picks up the scale information from Xen. > > Oops. > > I take it there isn't currently a hypercall to > support changing it in Xen, though? Shouldn't > be too hard to add, but I want to confirm. Correct. Makes sense to add a platform_op for this. -- Keir