From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DAEFDC433F5 for ; Mon, 14 Mar 2022 17:53:07 +0000 (UTC) Received: from localhost ([::1]:51334 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nTosU-0001qM-VO for qemu-devel@archiver.kernel.org; Mon, 14 Mar 2022 13:53:06 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38936) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nTobO-0005m4-19 for qemu-devel@nongnu.org; Mon, 14 Mar 2022 13:35:28 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:52443) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nTobJ-0007gn-1r for qemu-devel@nongnu.org; Mon, 14 Mar 2022 13:35:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1647279314; 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: in-reply-to:in-reply-to:references:references; bh=svq5CDmPiqJ2rkrBQJKCRCBEIDkD8kuZxACvp9vrFEc=; b=Ozd0bGzZx2tfJatKPv/UpPRulVlverXp3LrBFFfstAYA3eQyvLcW0wGsIP4uucrO9VwMpX gWrII0YweaNUZDiVVk6TR9IlYEkQYptToUu8EeRnisILgjZcYgRRdS1oUDbIaokAW71KU+ 8D9kZ6M5JQyNXkITPnMa6dRsQ+hGIQ4= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-93-Ofl7KG1dOs2OnRz-xhrLJQ-1; Mon, 14 Mar 2022 13:35:13 -0400 X-MC-Unique: Ofl7KG1dOs2OnRz-xhrLJQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 64F11185A7BA for ; Mon, 14 Mar 2022 17:35:13 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.194.201]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8FCCB4B8D5B; Mon, 14 Mar 2022 17:35:12 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Subject: [PATCH v6 13/15] vdpa: Never set log_base addr if SVQ is enabled Date: Mon, 14 Mar 2022 18:34:53 +0100 Message-Id: <20220314173455.200342-14-eperezma@redhat.com> In-Reply-To: <20220314173455.200342-1-eperezma@redhat.com> References: <20220314173455.200342-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Wang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Setting the log address would make the device start reporting invalid dirty memory because the SVQ vrings are located in qemu's memory. Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 93dbe1043c..89d59f86f9 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1090,7 +1090,8 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started) static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base, struct vhost_log *log) { - if (vhost_vdpa_one_time_request(dev)) { + struct vhost_vdpa *v = dev->opaque; + if (v->shadow_vqs_enabled || vhost_vdpa_one_time_request(dev)) { return 0; } -- 2.27.0