From patchwork Fri Dec 30 10:09:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 709704 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 ozlabs.org (Postfix) with ESMTPS id 3tqj1B5wBMz9srY for ; Fri, 30 Dec 2016 21:11:26 +1100 (AEDT) Received: from localhost ([::1]:39160 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMu9j-00029G-U1 for incoming@patchwork.ozlabs.org; Fri, 30 Dec 2016 05:11:23 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50901) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMu8G-00013K-8Z for qemu-devel@nongnu.org; Fri, 30 Dec 2016 05:09:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cMu8D-0005Y5-P5 for qemu-devel@nongnu.org; Fri, 30 Dec 2016 05:09:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37314) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cMu8D-0005Xj-JA for qemu-devel@nongnu.org; Fri, 30 Dec 2016 05:09:49 -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 C69008553C; Fri, 30 Dec 2016 10:09:48 +0000 (UTC) Received: from jason-ThinkPad-T450s.redhat.com (vpn1-4-43.pek2.redhat.com [10.72.4.43]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uBUA9V7U010228; Fri, 30 Dec 2016 05:09:44 -0500 From: Jason Wang To: mst@redhat.com, qemu-devel@nongnu.org Date: Fri, 30 Dec 2016 18:09:11 +0800 Message-Id: <1483092559-24488-3-git-send-email-jasowang@redhat.com> In-Reply-To: <1483092559-24488-1-git-send-email-jasowang@redhat.com> References: <1483092559-24488-1-git-send-email-jasowang@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 [10.5.110.28]); Fri, 30 Dec 2016 10:09:48 +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 V4 02/10] intel_iommu: name vtd address space with devfn 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: Eduardo Habkost , Jason Wang , peterx@redhat.com, vkaplans@redhat.com, wexu@redhat.com, cornelia.huck@de.ibm.com, pbonzini@redhat.com, Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" To avoid duplicated name and ease debugging. Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Acked-by: Peter Xu Signed-off-by: Jason Wang --- hw/i386/intel_iommu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 5f3e351..bf25e04 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2324,6 +2324,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) uintptr_t key = (uintptr_t)bus; VTDBus *vtd_bus = g_hash_table_lookup(s->vtd_as_by_busptr, &key); VTDAddressSpace *vtd_dev_as; + char name[128]; if (!vtd_bus) { /* No corresponding free() */ @@ -2337,6 +2338,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) vtd_dev_as = vtd_bus->dev_as[devfn]; if (!vtd_dev_as) { + snprintf(name, sizeof(name), "intel_iommu_devfn_%d", devfn); vtd_bus->dev_as[devfn] = vtd_dev_as = g_malloc0(sizeof(VTDAddressSpace)); vtd_dev_as->bus = bus; @@ -2351,7 +2353,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) memory_region_add_subregion(&vtd_dev_as->iommu, VTD_INTERRUPT_ADDR_FIRST, &vtd_dev_as->iommu_ir); address_space_init(&vtd_dev_as->as, - &vtd_dev_as->iommu, "intel_iommu"); + &vtd_dev_as->iommu, name); } return vtd_dev_as; }