From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36443) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1HED-000712-Te for qemu-devel@nongnu.org; Mon, 22 Jul 2013 10:36:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V1HEC-0004lX-0v for qemu-devel@nongnu.org; Mon, 22 Jul 2013 10:36:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:62559) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1HEB-0004lR-MI for qemu-devel@nongnu.org; Mon, 22 Jul 2013 10:36:43 -0400 Message-ID: <51ED4362.8060709@redhat.com> Date: Mon, 22 Jul 2013 16:36:18 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1374501278-31549-1-git-send-email-pbonzini@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 00/28] Memory API for 1.6: fix I/O port endianness mess List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: aliguori@us.ibm.com, aik@ozlabs.ru, jan.kiszka@siemens.com, qemu-devel@nongnu.org, agraf@suse.de, hpoussin@reactos.org, aurelien@aurel32.net Il 22/07/2013 16:32, Peter Maydell ha scritto: > On 22 July 2013 14:54, Paolo Bonzini wrote: >> This series drops isa_mmio and replace it with an alias of the >> root I/O memory region. After applying back the LITTLE_ENDIAN >> mark for PortioLists, everything works as expected: the port memory >> regions appear directly in the FlatView with the right endianness, >> and MMIO is dispatched straight to them. > > In the long term it would be good to identify which boards > were using isa_mmio purely for the benefit of old_portio > (which I think is basically "boards where the CPU has no > concept of port I/O instructions"). All of them. Only i386/x86_64 has I/O space, as far as I know. Paolo