From patchwork Fri Jan 22 20:08:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 12040383 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 915F7C433DB for ; Fri, 22 Jan 2021 20:10:44 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E9B9323AFC for ; Fri, 22 Jan 2021 20:10:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E9B9323AFC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42194 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l32lW-00049R-Vl for qemu-devel@archiver.kernel.org; Fri, 22 Jan 2021 15:10:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49946) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l32k6-0003ZH-K8 for qemu-devel@nongnu.org; Fri, 22 Jan 2021 15:09:14 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:27340) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l32k0-0003iD-JL for qemu-devel@nongnu.org; Fri, 22 Jan 2021 15:09:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611346146; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ByhSEzZdJIl7WMzxwngIXqOEWbdTrKVhXRS21CzFeWI=; b=eDu51DkRAqyOWhMld4TKHF9iYN2YI5XK2NLMsMFmOeOpcm36UH9NoSXuZmM/0eLU34612c eJZfjAP/b7N+O5wSzPHIG65kFmykt5VCsKhiz2lmJbd6PIBIKRDMRJoclUgLIM05moHmwU +rE1NoVKXNeDwa19GXuwYJKf5ax9dn4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-457-M4G-RvnVNDKT0tkK5ftlqw-1; Fri, 22 Jan 2021 15:09:03 -0500 X-MC-Unique: M4G-RvnVNDKT0tkK5ftlqw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5FD0F180E472 for ; Fri, 22 Jan 2021 20:09:02 +0000 (UTC) Received: from eperezma.remote.csb (ovpn-113-26.ams2.redhat.com [10.36.113.26]) by smtp.corp.redhat.com (Postfix) with ESMTP id 20FD550DE3; Fri, 22 Jan 2021 20:08:53 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [PATCH] virtio: Add corresponding memory_listener_unregister to unrealize Date: Fri, 22 Jan 2021 21:08:51 +0100 Message-Id: <20210122200851.345259-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eperezma@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.182, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Wang , Peter Xu , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Cannot destroy address spaces of IOMMU-aware virtio devices without it, since they can contain memory listeners. Fixes: c611c76417f ("virtio: add MemoryListener to cache ring translations") Buglink: https://bugs.launchpad.net/qemu/+bug/1912846 Signed-off-by: Eugenio Pérez Reviewed-by: Peter Xu --- hw/virtio/virtio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index b308026596..67efd2c301 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -3680,6 +3680,7 @@ static void virtio_device_unrealize(DeviceState *dev) VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(dev); + memory_listener_unregister(&vdev->listener); virtio_bus_device_unplugged(vdev); if (vdc->unrealize != NULL) {