From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754073Ab1HXTST (ORCPT ); Wed, 24 Aug 2011 15:18:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:1505 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753930Ab1HXTSR (ORCPT ); Wed, 24 Aug 2011 15:18:17 -0400 Message-ID: <4E554E5A.8050902@redhat.com> Date: Wed, 24 Aug 2011 22:17:46 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0 MIME-Version: 1.0 To: Blue Swirl CC: Alexander Graf , Linus Torvalds , "kvm@vger.kernel.org list" , qemu-devel Developers , "linux-kernel@vger.kernel.org List" , Pekka Enberg Subject: Re: [Qemu-devel] [PATCH] KVM: Add wrapper script around Qemu to test kernels References: <1314137806-5747-1-git-send-email-agraf@suse.de> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/24/2011 08:40 PM, Blue Swirl wrote: > > + > > + # Qemu's own build system calls it qemu-system-x86_64 > > + [ "$QEMU_BIN" ] || QEMU_BIN=$(which qemu-system-x86_64 2>/dev/null) > > If you run qemu-system-x86_64 on an i386 host, will it use kvm at all? I think it will, and that's actually a bug, since kvm doesn't support virtualizing long mode on a 32-bit host. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.