From patchwork Fri Jun 21 16:41:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 253270 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DFEE92C0391 for ; Sat, 22 Jun 2013 02:42:46 +1000 (EST) Received: from localhost ([::1]:36566 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uq4Q8-0001yo-UH for incoming@patchwork.ozlabs.org; Fri, 21 Jun 2013 12:42:44 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60145) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uq4PK-0001oT-69 for qemu-devel@nongnu.org; Fri, 21 Jun 2013 12:41:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Uq4PI-0006wU-9m for qemu-devel@nongnu.org; Fri, 21 Jun 2013 12:41:54 -0400 Received: from david.siemens.de ([192.35.17.14]:34170) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uq4PI-0006v3-1P for qemu-devel@nongnu.org; Fri, 21 Jun 2013 12:41:52 -0400 Received: from mail1.siemens.de (localhost [127.0.0.1]) by david.siemens.de (8.13.6/8.13.6) with ESMTP id r5LGflrh008425; Fri, 21 Jun 2013 18:41:47 +0200 Received: from mchn199C.mchp.siemens.de ([139.25.109.49]) by mail1.siemens.de (8.13.6/8.13.6) with ESMTP id r5LGfk5R023216; Fri, 21 Jun 2013 18:41:47 +0200 From: Jan Kiszka To: qemu-devel Date: Fri, 21 Jun 2013 18:41:42 +0200 Message-Id: X-Mailer: git-send-email 1.7.3.4 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x X-Received-From: 192.35.17.14 Cc: Paolo Bonzini , Liu Ping Fan , =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [Qemu-devel] [PATCH v2 10/13] xen: Mark fixed platform I/O as unaligned X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Before switching to the memory core dispatcher, we need to make sure that this pv-device will continue to receive unaligned portio accesses. Signed-off-by: Jan Kiszka --- hw/xen/xen_platform.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/hw/xen/xen_platform.c b/hw/xen/xen_platform.c index b6c6793..f8f5dd5 100644 --- a/hw/xen/xen_platform.c +++ b/hw/xen/xen_platform.c @@ -262,9 +262,13 @@ static void platform_fixed_ioport_write(void *opaque, hwaddr addr, static const MemoryRegionOps platform_fixed_io_ops = { .read = platform_fixed_ioport_read, .write = platform_fixed_ioport_write, + .valid = { + .unaligned = true, + }, .impl = { .min_access_size = 1, .max_access_size = 4, + .unaligned = true, }, .endianness = DEVICE_LITTLE_ENDIAN, };