From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] SVM: fix lazy FPU switching Date: Mon, 21 Jan 2008 19:42:10 +0200 Message-ID: <4794D972.5040400@qumranet.com> References: <1200917373-6928-1-git-send-email-joerg.roedel@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel , Markus Rechberger To: Joerg Roedel Return-path: In-Reply-To: <1200917373-6928-1-git-send-email-joerg.roedel-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 Joerg Roedel wrote: > If the guest writes to cr0 and leaves the TS flag at 0 while vcpu->fpu_active > is also 0, the TS flag in the guests cr0 gets lost. This leads to corrupt FPU > state an causes Windows Vista 64bit to crash very soon after boot. This patch > fixes this bug. > > Applied, thanks. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/