From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60064) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WrUa1-0007rh-E2 for qemu-devel@nongnu.org; Mon, 02 Jun 2014 11:55:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WrUZs-0005QT-AM for qemu-devel@nongnu.org; Mon, 02 Jun 2014 11:55:21 -0400 Received: from mail-wg0-x22d.google.com ([2a00:1450:400c:c00::22d]:37428) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WrUZr-0005Q5-Vu for qemu-devel@nongnu.org; Mon, 02 Jun 2014 11:55:12 -0400 Received: by mail-wg0-f45.google.com with SMTP id m15so5430584wgh.16 for ; Mon, 02 Jun 2014 08:55:11 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <538C9E5C.2040007@redhat.com> Date: Mon, 02 Jun 2014 17:55:08 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20140601162414.28708.22775.stgit@bling.home> <538B70FF.6050103@redhat.com> <1401657070.9207.6.camel@ul30vt.home> <538C233F.5030106@redhat.com> <1401720132.9207.42.camel@ul30vt.home> In-Reply-To: <1401720132.9207.42.camel@ul30vt.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC PATCH] kvm: Enable -cpu option to hide KVM List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alex Williamson Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org Il 02/06/2014 16:42, Alex Williamson ha scritto: >> > Same as your "no-kvm", just with the default flipped from false to true. > Ah, easy enough. Do we want to limit the scope a bit by indicating > exactly what is getting disabled, perhaps kvm-msr=on|off? Thanks, The capabilities are actually already available for selective disabling via CPUID features (search for kvm_feature_name). What's missing is a master property to disable the CPUID leaves themselves, so your patch provides exactly what's needed. Paolo