From patchwork Tue Jan 3 07:29:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 9494525 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 138E5606A7 for ; Tue, 3 Jan 2017 07:35:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F10982679B for ; Tue, 3 Jan 2017 07:35:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E24FA269E2; Tue, 3 Jan 2017 07:35:26 +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 6CF482679B for ; Tue, 3 Jan 2017 07:35:26 +0000 (UTC) Received: from localhost ([::1]:60602 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cOJcz-0006fT-Eb for patchwork-qemu-devel@patchwork.kernel.org; Tue, 03 Jan 2017 02:35:25 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32843) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cOJY0-0002wN-V5 for qemu-devel@nongnu.org; Tue, 03 Jan 2017 02:30:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cOJXw-0008If-26 for qemu-devel@nongnu.org; Tue, 03 Jan 2017 02:30:16 -0500 Received: from mx1.redhat.com ([209.132.183.28]:38082) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cOJXv-0008IG-SZ for qemu-devel@nongnu.org; Tue, 03 Jan 2017 02:30:11 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (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 0E76461B90; Tue, 3 Jan 2017 07:30:12 +0000 (UTC) Received: from pxdev.xzpeter.org (vpn1-4-159.pek2.redhat.com [10.72.4.159]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v037TtOC005764; Tue, 3 Jan 2017 02:30:08 -0500 From: Peter Xu To: qemu-devel@nongnu.org Date: Tue, 3 Jan 2017 15:29:40 +0800 Message-Id: <1483428594-28880-4-git-send-email-peterx@redhat.com> In-Reply-To: <1483428594-28880-1-git-send-email-peterx@redhat.com> References: <1483428594-28880-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 03 Jan 2017 07:30:12 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH RFC v2 03/17] 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: tianyu.lan@intel.com, kevin.tian@intel.com, mst@redhat.com, jan.kiszka@siemens.com, jasowang@redhat.com, peterx@redhat.com, alex.williamson@redhat.com, bd.aviv@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Jason Wang Cc: Paolo Bonzini Acked-by: Paolo Bonzini Signed-off-by: Jason Wang Signed-off-by: Peter Xu --- include/exec/memory.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index 64560f6..958f4b2 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; }