From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45825) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTVd8-0000Bh-NV for qemu-devel@nongnu.org; Wed, 31 Oct 2012 06:34:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TTVd2-0004TM-PS for qemu-devel@nongnu.org; Wed, 31 Oct 2012 06:34:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:24489) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTVd2-0004T4-Hk for qemu-devel@nongnu.org; Wed, 31 Oct 2012 06:34:32 -0400 Message-ID: <5090FEAF.3070102@redhat.com> Date: Wed, 31 Oct 2012 12:34:23 +0200 From: Avi Kivity MIME-Version: 1.0 References: <1351597670-23031-1-git-send-email-avi@redhat.com> <1351597670-23031-8-git-send-email-avi@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 7/7] i440fx: add an iommu List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Blue Swirl Cc: "Michael S. Tsirkin" , qemu-devel@nongnu.org, Alexander Graf , Alex Williamson , Anthony Liguori On 10/30/2012 09:18 PM, Blue Swirl wrote: > On Tue, Oct 30, 2012 at 11:47 AM, Avi Kivity wrote: >> This iommu encrypts addresses on the device bus to avoid divuling information >> to hackers equipped with bus analyzers. Following 3DES, addresses are encrypted >> multiple times. A XOR cypher is employed for efficiency. > > If this is not useful as a test device or other purposes, I'd drop it. It's just for demonstrating the API. I won't propose it for merging. -- error compiling committee.c: too many arguments to function