From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [RFC][PATCH] ignore set_cr3 GP fault in non-pae mode Date: Wed, 19 Sep 2007 18:26:01 +0200 Message-ID: <46F14D99.7080309@qumranet.com> References: <20070918190516.GC7519@us.ibm.com> <46F023D8.90905@codemonkey.ws> <97D612E30E1F88419025B06CB4CF1BE1037F9013@scsmsx412.amr.corp.intel.com> <20070918212509.GE7519@us.ibm.com> <1190152700.8353.14.camel@bodhitayantram.eng.vmware.com> <20070918220308.GF7519@us.ibm.com> <46F0E46C.1060905@qumranet.com> <20070919145536.GH7519@us.ibm.com> <46F13B5F.4050107@codemonkey.ws> <1190217717.8353.29.camel@bodhitayantram.eng.vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Zachary Amsden Return-path: In-Reply-To: <1190217717.8353.29.camel-cxY/u30q8FloTgUnLF1by8fTvwmfpRNyZeezCHUQhQ4@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 Zachary Amsden wrote: > BTW, VMware can run 64-bit guests on a 32-bit host, all it needs is > capable hardware, so unless you mask the 64-bit support in KVM, you > could have a strange situation where the 32-bit KVM starts (or tries to > start, expecting success) running 64-bit code. I can imagine a couple > of ways that could blow up the host if assumptions are made that 32-bit > guests will limit themselves to running 32-bit code. So if you don't > support EFER.LM activation, you should strip the cpuid bit from > hardware. > We do that. -- 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/