From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47407) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZyGdX-0001xm-FF for qemu-devel@nongnu.org; Mon, 16 Nov 2015 05:03:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZyGdS-0004zj-Ev for qemu-devel@nongnu.org; Mon, 16 Nov 2015 05:03:47 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33577) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZyGdS-0004zf-9D for qemu-devel@nongnu.org; Mon, 16 Nov 2015 05:03:42 -0500 References: <1447601946-31248-1-git-send-email-marcel@redhat.com> <5649966C.7070702@redhat.com> <5649A770.5070908@redhat.com> <5649A857.406@redhat.com> <5649A9CA.2070309@redhat.com> From: Paolo Bonzini Message-ID: <5649A9F9.5070405@redhat.com> Date: Mon, 16 Nov 2015 11:03:37 +0100 MIME-Version: 1.0 In-Reply-To: <5649A9CA.2070309@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH V2 0/4] hw/pcie: Multi-root support for Q35 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Marcel Apfelbaum , qemu-devel@nongnu.org Cc: imammedo@redhat.com, rth@twiddle.net, kraxel@redhat.com, ehabkost@redhat.com, mst@redhat.com On 16/11/2015 11:02, Marcel Apfelbaum wrote: > Actually the command line would work. The devices will be placed on the > root bus > instead of the pci bridge bus. The trick here is that we name the bus > the devices > will be attached to by the pxb id. > - When we have the bridge -> the pxb id will be used for the secondary bus > - when don't have the bridge -> the pxb id wil be used for the root bus. > Both times the command line remains -device pxb,id=my_root -device > e1000,bus=my_root What would you lose? Hotplug? Paolo