Received: from [140.186.70.92] (port=45506 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P7vzg-0007em-SW for qemu-devel@nongnu.org; Mon, 18 Oct 2010 16:07:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1P7vzf-000166-Lw for qemu-devel@nongnu.org; Mon, 18 Oct 2010 16:07:40 -0400 Received: from terminus.zytor.com ([198.137.202.10]:47111 helo=mail.zytor.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1P7vzf-00014X-FD for qemu-devel@nongnu.org; Mon, 18 Oct 2010 16:07:39 -0400 Message-ID: <4CBCA8E6.3080101@zytor.com> Date: Mon, 18 Oct 2010 13:07:02 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [Qemu-devel] Hitting 29 NIC limit References: <4CB6388A.30006@codemonkey.ws> <4CB6F275.2060204@redhat.com> <20101014121047.GN11403@redhat.com> <4CB6FE30.1040904@codemonkey.ws> In-Reply-To: <4CB6FE30.1040904@codemonkey.ws> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: Anjali Kulkarni , Avi Kivity , "kvm@vger.kernel.org" , "qemu-devel@nongnu.org" On 10/14/2010 05:57 AM, Anthony Liguori wrote: > > I've always been sceptical of this. When physical systems have a large > number of NICs, it's via multiple functions, not a bunch of PCI bridges. > Actually a lot of multiport PCI cards are in fact single or dual NICs behind PCI bridges. -hpa