From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NFpFr-0006s0-K5 for qemu-devel@nongnu.org; Wed, 02 Dec 2009 08:28:27 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NFpFl-0006qU-Lh for qemu-devel@nongnu.org; Wed, 02 Dec 2009 08:28:26 -0500 Received: from [199.232.76.173] (port=58077 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFpFk-0006qF-09 for qemu-devel@nongnu.org; Wed, 02 Dec 2009 08:28:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36974) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NFpFj-0002fN-QD for qemu-devel@nongnu.org; Wed, 02 Dec 2009 08:28:20 -0500 Message-ID: <4B166B71.3070306@redhat.com> Date: Wed, 02 Dec 2009 15:28:17 +0200 From: Avi Kivity MIME-Version: 1.0 References: <20091008155256.GA13660@redhat.com> <20091130141722.GB25613@redhat.com> In-Reply-To: <20091130141722.GB25613@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCHv2-repost] pcbios: enable io/memory unconditionally List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: Anthony Liguori , "qemu-devel@nongnu.org" , kvm-devel On 11/30/2009 04:17 PM, Michael S. Tsirkin wrote: > On Thu, Oct 08, 2009 at 05:52:56PM +0200, Michael S. Tsirkin wrote: > VGA adapters need to claim memory and i/o > transactions even if they do not have any > i/o or memory bars. E.g. PCI spec, page 297, > gives an example of such a device: > > Programming interface 0000 0000b > VGA-compatible controller. Memory > addresses 0A 0000h through 0B > FFFFh. I/O addresses 3B0h to 3BBh > and 3C0h to 3DFh and all aliases of > these addresses. > > While we could check for these devices and special-case them, it is > easier to fix this by enabling i/o and memory space unconditionally: > devices that do not support it will just ignore this setting. > > Applied, thanks. -- error compiling committee.c: too many arguments to function