From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] discard MSR writes Date: Tue, 20 Nov 2007 14:34:12 +0200 Message-ID: <4742D444.3090405@qumranet.com> References: <4741DF15.20708@amd.com> <200711201539.31712.amit.shah@qumranet.com> <4742B313.4080704@qumranet.com> <200711201602.43331.amit.shah@qumranet.com> <4742B88F.8000404@qumranet.com> <4742D3AC.2030108@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Joerg.Roedel-5C7GfCeVMHo@public.gmane.org To: Markus Rechberger Return-path: In-Reply-To: <4742D3AC.2030108-5C7GfCeVMHo@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Markus Rechberger wrote: > I also discussed this with Joerg, since Qemu doesn't handle those MSR > writes at the moment we think it's ok temporary. Lateron it should be > emulated (but we're hunting a different issue at the moment). Our > perfmon guys would also prefer a proper emulation. > There's no need to copy mistakes from qemu. I too would prefer proper emulation, but meanwhile, if Vista disables performance monitoring when writing to these msrs, we can allow it, and error out if some other guest attempts to enable performance monitoring (which will fail silently). -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/