From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1J2GLH-0005U8-Oa for qemu-devel@nongnu.org; Tue, 11 Dec 2007 20:24:55 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1J2GLH-0005Su-1w for qemu-devel@nongnu.org; Tue, 11 Dec 2007 20:24:55 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1J2GLG-0005Sj-Vn for qemu-devel@nongnu.org; Tue, 11 Dec 2007 20:24:54 -0500 Received: from ozlabs.org ([203.10.76.45]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1J2GLG-00067Y-KN for qemu-devel@nongnu.org; Tue, 11 Dec 2007 20:24:54 -0500 From: Rusty Russell Subject: Re: [Qemu-devel] Re: [PATCH 2/3] virtio network device Date: Wed, 12 Dec 2007 12:24:38 +1100 References: <4755CC8C.6000001@us.ibm.com> <20071208215510.GB30486@shareable.org> <475B1488.5040200@codemonkey.ws> In-Reply-To: <475B1488.5040200@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200712121224.38403.rusty@rustcorp.com.au> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: Anthony Liguori , qemu-devel@nongnu.org, Paul Brook On Sunday 09 December 2007 09:02:48 Anthony Liguori wrote: > If QEMU ever got true SMP support, then virtio would not work as it > requires 16-bit atomic writes which AFAIK is not possible on a number of > non-x86 architectures. Hmm? Where is this requirement coming from? I think everyone should stop using the word "atomic" in virtio discussions; it's confusing. Rusty.