From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] Enable nested SVM support in userspace Date: Thu, 18 Dec 2008 17:33:09 +0200 Message-ID: <494A6D35.9070701@redhat.com> References: <1229611112-19815-1-git-send-email-agraf@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Alexander Graf Return-path: Received: from mx2.redhat.com ([66.187.237.31]:44569 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751217AbYLRPdP (ORCPT ); Thu, 18 Dec 2008 10:33:15 -0500 In-Reply-To: <1229611112-19815-1-git-send-email-agraf@suse.de> Sender: kvm-owner@vger.kernel.org List-ID: Alexander Graf wrote: > In order to use the new nested SVM support in KVM, we need to > expose the SVM capability to the virtual machine. > The current code masks this bit out. > > In order to expose the SVM capability to the guest, I added > a -enable-nesting command line option, that makes qemu expose > the SVM capability. > Please bear in mind that this switch does not work properly > on VMX. > > So what you need to do to use nested SVM with this patch > applied is: > > 1. modprobe kvm-amd nested=1 > 2. qemu-system-x86_64 -enable-nesting ... > > Applied, thanks. -- error compiling committee.c: too many arguments to function