From nobody Sat Feb 7 07:11:44 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1647842922368354.59365825441876; Sun, 20 Mar 2022 23:08:42 -0700 (PDT) Received: from localhost ([::1]:50090 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nWBDc-0005ub-O0 for importer@patchew.org; Mon, 21 Mar 2022 02:08:40 -0400 Received: from eggs.gnu.org ([209.51.188.92]:42208) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWB0J-0005ZT-50 for qemu-devel@nongnu.org; Mon, 21 Mar 2022 01:54:56 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:31823) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWB0G-0005BN-0u for qemu-devel@nongnu.org; Mon, 21 Mar 2022 01:54:54 -0400 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-296-eGrH2i_KN9OInmhadnlwVQ-1; Mon, 21 Mar 2022 01:54:38 -0400 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3125A85A5BC; Mon, 21 Mar 2022 05:54:38 +0000 (UTC) Received: from localhost.localdomain (ovpn-14-31.pek2.redhat.com [10.72.14.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7E95343249B; Mon, 21 Mar 2022 05:54:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1647842081; 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=jWYRliuGfPYtWdboxEoabOSWfKbza+AsDBFQZ0xmTDg=; b=AHkEOKNRioWQpaE/iqWQ7XvjNKE4MtMjle7d3UsSM9ivBts/7PQQD+QyNLcJ2BKZOwP8/m xYbxeReCD7//bsvPLkZdaXi6cFW62jd+QucZq6AD3I85PRJrNQiq0vpgPsMVkcR1XbUDtQ 5keo3HCWeL3TJtjXbknX5jPqRkkQxms= X-MC-Unique: eGrH2i_KN9OInmhadnlwVQ-1 From: Jason Wang To: mst@redhat.com, peterx@redhat.com Subject: [PATCH V2 1/4] intel-iommu: don't warn guest errors when getting rid2pasid entry Date: Mon, 21 Mar 2022 13:54:26 +0800 Message-Id: <20220321055429.10260-2-jasowang@redhat.com> In-Reply-To: <20220321055429.10260-1-jasowang@redhat.com> References: <20220321055429.10260-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=jasowang@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, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 , yi.l.liu@intel.com, yi.y.sun@linux.intel.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1647842924792100001 Content-Type: text/plain; charset="utf-8" We use to warn on wrong rid2pasid entry. But this error could be triggered by the guest and could happens during initialization. So let's don't warn in this case. Signed-off-by: Jason Wang --- hw/i386/intel_iommu.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 874d01c162..90964b201c 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -1554,8 +1554,10 @@ static bool vtd_dev_pt_enabled(IntelIOMMUState *s, V= TDContextEntry *ce) if (s->root_scalable) { ret =3D vtd_ce_get_rid2pasid_entry(s, ce, &pe); if (ret) { - error_report_once("%s: vtd_ce_get_rid2pasid_entry error: %"PRI= d32, - __func__, ret); + /* + * This error is guest triggerable. We should assumt PT + * not enabled for safety. + */ return false; } return (VTD_PE_GET_TYPE(&pe) =3D=3D VTD_SM_PASID_ENTRY_PT); --=20 2.25.1