From patchwork Thu Nov 3 09:27:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 9410625 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B601960573 for ; Thu, 3 Nov 2016 09:32:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B5D1B2A6B7 for ; Thu, 3 Nov 2016 09:32:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A97092A74D; Thu, 3 Nov 2016 09:32:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 629FE2A6B7 for ; Thu, 3 Nov 2016 09:32:39 +0000 (UTC) Received: from localhost ([::1]:59839 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c2ENy-000769-J8 for patchwork-qemu-devel@patchwork.kernel.org; Thu, 03 Nov 2016 05:32:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58412) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c2EJk-0003v8-Ur for qemu-devel@nongnu.org; Thu, 03 Nov 2016 05:28:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c2EJj-00021T-Uo for qemu-devel@nongnu.org; Thu, 03 Nov 2016 05:28:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40040) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1c2EJj-000216-Pn for qemu-devel@nongnu.org; Thu, 03 Nov 2016 05:28:15 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 160FF8EB50; Thu, 3 Nov 2016 09:28:15 +0000 (UTC) Received: from jason-ThinkPad-T450s.redhat.com (vpn1-5-39.pek2.redhat.com [10.72.5.39]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uA39ROZV022549; Thu, 3 Nov 2016 05:28:10 -0400 From: Jason Wang To: mst@redhat.com, peterx@redhat.com, wexu@redhat.com, qemu-devel@nongnu.org Date: Thu, 3 Nov 2016 17:27:22 +0800 Message-Id: <1478165243-4767-11-git-send-email-jasowang@redhat.com> In-Reply-To: <1478165243-4767-1-git-send-email-jasowang@redhat.com> References: <1478165243-4767-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 03 Nov 2016 09:28:15 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH V2 10/11] memory: handle alias in memory_region_is_iommu() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vkaplans@redhat.com, pbonzini@redhat.com, Jason Wang , cornelia.huck@de.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jason Wang Acked-by: Paolo Bonzini --- include/exec/memory.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index e605de3..ab37499 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -628,6 +628,9 @@ static inline bool memory_region_is_romd(MemoryRegion *mr) */ static inline bool memory_region_is_iommu(MemoryRegion *mr) { + if (mr->alias) { + return memory_region_is_iommu(mr->alias); + } return mr->iommu_ops; }