From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40847) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WrMNj-0003hg-Il for qemu-devel@nongnu.org; Mon, 02 Jun 2014 03:10:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WrMNa-0006iA-DZ for qemu-devel@nongnu.org; Mon, 02 Jun 2014 03:10:07 -0400 Received: from mail-we0-x22b.google.com ([2a00:1450:400c:c03::22b]:56916) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WrMNa-0006i5-7A for qemu-devel@nongnu.org; Mon, 02 Jun 2014 03:09:58 -0400 Received: by mail-we0-f171.google.com with SMTP id w62so4598649wes.2 for ; Mon, 02 Jun 2014 00:09:57 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <538C233F.5030106@redhat.com> Date: Mon, 02 Jun 2014 09:09:51 +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> In-Reply-To: <1401657070.9207.6.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 01/06/2014 23:11, Alex Williamson ha scritto: >> > >> > It's really a nit, but I think "kvm=no" is preferrable (more consistent >> > with how hyper-v leaves are enabled). > Happy to oblige, but I'm not sure what I'm looking for. We enably > hyper-v leaves if hyperv_enabled(), which seems to boil down to the kvm > kernel supporting KVM_CAP_HYPERV and one or more cpu->hyperv_foo > features enabled. What's the commandline option I'm looking for that > has some sort of hyper-v=on|off? Thanks, Same as your "no-kvm", just with the default flipped from false to true. Paolo