From nobody Sat Nov 15 09:10:11 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=reject dis=none) header.from=unpredictable.fr ARC-Seal: i=1; a=rsa-sha256; t=1754113407; cv=none; d=zohomail.com; s=zohoarc; b=cUbNRR5jWig7CQYwIUvQ4l8uTl/2z1mDZ/qYbMQ1/2l4qkoXgj9bSOMIOxCnvbdSU2Et26P6gGox9oH8hb77aZhoH4uNRaJhy8/7I1XTcF+ui8K0Z1PFld1JYCAAKNIyp3nMoCkWLM1iYVwiNrW5Z7QPQ2jvz1NiVO+5InrwsUQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1754113407; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=dSbSkPQq8ziwuUrDfcT+wVetv0JbuPGQpZU1ZgNV4oY=; b=R4lsoSYWfU9Sew1CU9Hrmk+64I6Tp2r1D6buyPdCqVaGFz8uV9X9BTftfjVdOkpVk2Tv1GsF7jg1M+eUJeYEkOfmvUMrIAer8DfpcMefy8gm9KhcoFVfSl4r7ArssGXR8z2nzfhp9zxo/G+JEO1Y4yxpxsKxp6ir3dvq/Xv+X9Y= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1754113407921312.46470716592887; Fri, 1 Aug 2025 22:43:27 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ui501-0000PG-0s; Sat, 02 Aug 2025 01:41:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ui4zp-0008Qh-To for qemu-devel@nongnu.org; Sat, 02 Aug 2025 01:41:30 -0400 Received: from p-east3-cluster1-host11-snip4-10.eps.apple.com ([57.103.87.113] helo=outbound.qs.icloud.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ui4zo-00066s-C1 for qemu-devel@nongnu.org; Sat, 02 Aug 2025 01:41:29 -0400 Received: from outbound.qs.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-east-2d-60-percent-0 (Postfix) with ESMTPS id 09ACB18008A5; Sat, 2 Aug 2025 05:41:24 +0000 (UTC) Received: from localhost.localdomain (qs-asmtp-me-k8s.p00.prod.me.com [17.57.155.37]) by p00-icloudmta-asmtp-us-east-2d-60-percent-0 (Postfix) with ESMTPSA id 1B0211800A81; Sat, 2 Aug 2025 05:41:22 +0000 (UTC) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr; s=sig1; bh=dSbSkPQq8ziwuUrDfcT+wVetv0JbuPGQpZU1ZgNV4oY=; h=From:To:Subject:Date:Message-Id:MIME-Version:x-icloud-hme; b=WGVhwri2dfvQmCu6xkXf/8iOUcvKKGUwACbibqtSEasKNfZADpj45khx1NEf9X5fex24C2c8aL2OOk9SdHmuQc4MJcuOsrSR9RcN+akoNWQIgMZuvQlcWPIK+eaMcxl7KF+HsPMVZmqhyIfpGBJqOXYjXL3hmpcjo32cCj7HTUHOADDYnuM2lcyO16dTH7H1m4dDZgZJZGRPJ4NMGppcnEU42mRjjbTcy33K13zFOGPF4kuOZtk7PRzY71pJhtlRzNxhjEy+klNReO+ytB4/sD4TWTEj6maDCS6o/deSECEF0vwbxj+vPMZJ7Sw0mcMAW7fjyjibNr9/bH8fdnH9Wg== X-Client-IP: 46.189.47.18 From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: "Michael S. Tsirkin" , Peter Maydell , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Igor Mammedov , Richard Henderson , Eduardo Habkost , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , qemu-arm@nongnu.org, Shannon Zhao , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Marcel Apfelbaum , Yanan Wang , Sunil Muthuswamy , Mohamed Mediouni , Zhao Liu , Paolo Bonzini , Ani Sinha Subject: [PATCH v2 10/14] hw/arm: virt: cleanly fail on attempt to use the platform vGIC together with ITS Date: Sat, 2 Aug 2025 07:40:51 +0200 Message-Id: <20250802054055.74013-11-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20250802054055.74013-1-mohamed@unpredictable.fr> References: <20250802054055.74013-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: mHWMdjffxOPs7MJtKQmoidDQkoCBdu3d X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODAyMDA0NyBTYWx0ZWRfX9ARlYGW5C2bW 1TR7iuo3icR6J/Bacsak/MfTlhovXSy410XERsquJOlOGommFXHsqLxHut49kMGbxVwBOv1Wq1D R0uINRO3UIldxt0s6mmONCGzaGVjoG43mcuhAFwZ27vJUK7P1y/IyZ5iNEl6tEuuferPAKGdP6v 4LEXwJltO/FpJwvlMSZJPkNtPbF/vVMvhnOu+8UnVe4Uhp7EI2xr0z6Os6IUmP6DdIJ0gWoD7uS 1GGof7dsdsndFqRxi+BVQDdUlRSAdUX9XbylHiUOlCTrSjC/aqeUu95mzQ0AkTlr0DoXnLWvY= X-Proofpoint-GUID: mHWMdjffxOPs7MJtKQmoidDQkoCBdu3d X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-01_08,2025-08-01_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 suspectscore=0 mlxlogscore=880 mlxscore=0 adultscore=0 malwarescore=0 clxscore=1030 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.22.0-2506270000 definitions=main-2508020047 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=57.103.87.113; envelope-from=mohamed@unpredictable.fr; helo=outbound.qs.icloud.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @unpredictable.fr) X-ZM-MESSAGEID: 1754113408650116600 Content-Type: text/plain; charset="utf-8" Windows Hypervisor Platform's vGIC doesn't support ITS. Deal with this by reporting to the user and not creating the ITS device. Signed-off-by: Mohamed Mediouni --- hw/arm/virt.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 98a1c74c42..1c695c0642 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -741,6 +741,16 @@ static void create_its(VirtMachineState *vms) return; } =20 + if (whpx_enabled() && vms->tcg_its) { + /* + * In the HVF case, inform the user that they can use the + * user-mode GIC if they want to have an ITS. + */ + info_report("ITS not supported without kernel-irqchip=3Doff on WHP= X"); + info_report("Disabling ITS"); + return; + } + dev =3D qdev_new(its_class_name()); =20 object_property_set_link(OBJECT(dev), "parent-gicv3", OBJECT(vms->gic), --=20 2.39.5 (Apple Git-154)