From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:37589) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RR027-0007HG-3v for qemu-devel@nongnu.org; Thu, 17 Nov 2011 06:21:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RR021-00070d-EF for qemu-devel@nongnu.org; Thu, 17 Nov 2011 06:21:30 -0500 Received: from service87.mimecast.com ([91.220.42.44]:58888) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RR021-00070E-2D for qemu-devel@nongnu.org; Thu, 17 Nov 2011 06:21:25 -0500 From: Pawel Moll In-Reply-To: <4EC41574.5080606@codemonkey.ws> References: <1321282528-19070-1-git-send-email-peter.maydell@linaro.org> <4EC3C9B1.5050109@redhat.com> <4EC41574.5080606@codemonkey.ws> Date: Thu, 17 Nov 2011 11:20:10 +0000 Message-ID: <1321528810.3137.446.camel@hornet.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [RFC 0/4] virtio-mmio transport List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: Peter Maydell , "paul@codesourcery.com" , qemu-devel , Paolo Bonzini On Wed, 2011-11-16 at 19:56 +0000, Anthony Liguori wrote: > On 11/16/2011 12:41 PM, Peter Maydell wrote: > > Pawel may have more detail, but to me the significant difference > > is that virtio-mmio is an implementation of a specification extension > > agreed with the virtio spec maintainers, whereas syborg doesn't seem > > to be mentioned in the virtio spec anywhere, so I am unsure what it > > is intended to be implementing. > > > > (There are some technical differences too, like virtio-mmio allowing > > the guest to specify queue sizes and alignments; these mostly came > > out of the process of agreeing the spec extension.) >=20 > Correct. Syborg virtio was something Paul Brook did bit is not an "offic= ial"=20 > virtio transport as far as Linux or the spec is concerned. Honestly, that's the first time I hear about it, and as I'm not allowed to look at qemu code (legal reasons, just don't ask ;-) it's hard for me to comment. But during the discussions about virtio-mmio, no one mentioned it at all! Is it similar in ideas? I do apologise if I jeopardised somebody's work, but it wasn't on purpose... Cheers! Pawe=C5=82