From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH] KVM: Add wrapper script around Qemu to
 test kernels
Date: Wed, 24 Aug 2011 22:17:46 +0300
Message-ID: <4E554E5A.8050902@redhat.com>
References: <1314137806-5747-1-git-send-email-agraf@suse.de>
	<CAAu8pHucQ1RMiuZZEXhAnECX__SJZyutO26azwO4QYU4RZ7ZRA@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Cc: "kvm@vger.kernel.org list" <kvm@vger.kernel.org>,
	qemu-devel Developers <qemu-devel@nongnu.org>,
	"linux-kernel@vger.kernel.org List" <linux-kernel@vger.kernel.org>,
	Alexander Graf <agraf@suse.de>, Pekka Enberg <penberg@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
To: Blue Swirl <blauwirbel@gmail.com>
Return-path: <qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org>
In-Reply-To: <CAAu8pHucQ1RMiuZZEXhAnECX__SJZyutO26azwO4QYU4RZ7ZRA@mail.gmail.com>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: </archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org
Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org
List-Id: kvm.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.