From nobody Sat Apr 11 23:04:14 2026 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=1772784075; cv=none; d=zohomail.com; s=zohoarc; b=I8P37mDPIkUP70wleKXjq2xbg8dma+5eFuyBhFPgxlEZoaLJRrbw+kxXDVGSPkLOnykxSNO/ZKEKWdhZ/1P+PgR2lPM/DRhR1utm1u0vJeEGaeRr/6X7hkPFFw0539SX58VwB3CQlCfWjwJS30x+/YmtdSWf+Jfhse1vkPhWRzs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772784075; h=Content-Type: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=OUuDxgqNdZmzpnnMy18wEMM/IqxNg59OjqOVW0/0Og0=; b=TotSuFI0aC9RLwJeYH8Il+od0/uo2jqrBWUe7rOvxp4U/y/YYRWNHQYt4bjwFHOCI9hB+2WWwjvT2ccSo+NB9cKm7Jfn61ZX/y4uM9xSB8KgXt24HOR+CZEzft7WXgKDmKbhOYDI1w+5F2IKlauyHaJW30n7d9EVhzq8TatIQHI= 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 177278407532069.43273889459044; Fri, 6 Mar 2026 00:01:15 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vyQ4z-0007Zw-V9; Fri, 06 Mar 2026 02:58:37 -0500 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 1vyQ4x-0007Z3-Um for qemu-devel@nongnu.org; Fri, 06 Mar 2026 02:58:35 -0500 Received: from p-west2-cluster1-host1-snip4-4.eps.apple.com ([57.103.68.7] helo=outbound.mr.icloud.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vyQ4w-0006D1-HN for qemu-devel@nongnu.org; Fri, 06 Mar 2026 02:58:35 -0500 Received: from outbound.mr.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-west-2a-100-percent-3 (Postfix) with ESMTPS id A90A61800250; Fri, 6 Mar 2026 07:58:30 +0000 (UTC) Received: from localhost.localdomain (unknown [17.57.152.38]) by p00-icloudmta-asmtp-us-west-2a-100-percent-3 (Postfix) with ESMTPSA id 2C217180010E; Fri, 6 Mar 2026 07:58:28 +0000 (UTC) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr; s=sig1; t=1772783913; x=1775375913; bh=OUuDxgqNdZmzpnnMy18wEMM/IqxNg59OjqOVW0/0Og0=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:x-icloud-hme; b=cqD7RGhyeqxAw1fFJovaqYsjU38DIj1dLuh60IZSiTJ64yMdLJUrBDmkSzl9PbpSwWVnlmg01eRYTaMoI65+8yeL2xi/zbShYHni/4NlVAyKK9PoKqzZRfhEabxGuOciSpK+PojqFWYoCS/QrIW3+dNT8Rem5vZGHV6oznYKp1//ZyaNKAsp2Qm/TMD+5FqP1gEa1TEWHUl2ug51uP6cqsHv5ShzaxIJlQXyjSFrfKqdUT3ECXalwOkpVmTTLwBJgm4ay+gC3MSOZhGplsjaYHbgXrrLEGiV+tOQfDb+e22+kYkpx4sX/4maah6zaRTHDTeSjGdXjoFcGu3QYEoYiA== mail-alias-created-date: 1752046281608 From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: Cameron Esfahani , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , qemu-arm@nongnu.org, Phil Dennis-Jordan , Peter Maydell , Mads Ynddal , Alexander Graf , Roman Bolshakov , Mohamed Mediouni Subject: [PATCH v13 11/17] hvf: arm: allow exposing minimal PMU when running with nested virt on Date: Fri, 6 Mar 2026 08:57:50 +0100 Message-ID: <20260306075756.88922-12-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260306075756.88922-1-mohamed@unpredictable.fr> References: <20260306075756.88922-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Authority-Info-Out: v=2.4 cv=NbnrFmD4 c=1 sm=1 tr=0 ts=69aa8927 cx=c_apl:c_pps:t_out a=9OgfyREA4BUYbbCgc0Y0oA==:117 a=9OgfyREA4BUYbbCgc0Y0oA==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=DEZpVyLLCdwXg5o-P5sA:9 a=NqO74GWdXPXpGKcKHaDJD/ajO6k=:19 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: 14hZo5cBuOnrrLc2LQumBOsvlcQCxbC9 X-Proofpoint-ORIG-GUID: 14hZo5cBuOnrrLc2LQumBOsvlcQCxbC9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA2MDA3NSBTYWx0ZWRfX7LhXf2ZtL+f8 463POhL/o664ov47//eViN1rGHKfuD2QJFJPq8npJoyzlWiurZHwBcvcu4arqRzuaCwLEnOkIr7 ipXejJyB6GIGfTrYEGUffa3n2H8BFoldpUEiA0Wq0qf1PO37bvJRwLXBRvMrMEEFMj+1AD4qTVV OqWifZjXuLIylj37i624jRWYHAtYmEEHWvTkObzZJhGFrwmN9HfPMptQv5V8+gZeGb/MwCSuPmR IoO5uaApab3Z2sxnCoABpQy7VdoSltsvOkId098VLU/U0//yrS/ZqcvL4SntbZnX/xeWHQsnrwH m2hLMXpnQuVe1alr7MzT0zBU+M86h0q3Dv0J+Zw5Cgprl2/GmXdm+G77gWq5n8= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-06_02,2026-03-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1030 malwarescore=0 mlxlogscore=660 mlxscore=0 adultscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2603060075 X-JNJ: AAAAAAABpKEyt0Sm3g7hB6PHYpawexTezi789NCU45nqM2TZ3D4GAg2thIKr14dEOdQmCBIqu0NEzD2odknLE5NIuUotDx7VoL/2QQxVRNj4X8bM/4TaRfbO9PIigI4VCBwnrXFc0jIyss/8rf4MlZrfNrZUFsYH8ggYGHIqqKXmFSk+CbXGV2rg34AA4oCufyHX8RX1vDhIhlKOdo3SWwmTKZGRP7ZDahJmvH+ta3/MRaI6Rhs4ty0rJ/3rd8S++Rh4hCmohi6dFQjY8cAhNE/j2lBoNGd/W1zSMmwNerOkA1FOjes0lGRdqjVt7/OqMFMWgykT6CSzXl0Ko1oK5TiN50mKRcnBxY5zVAx6AjH4TUI14dptLSbvbZ5QAUN5JVkVm5iQXgjnn+Lh2idC9kbk7PZZs1M+K9mGRFYRavPC2PKWvsUiQqgXecBNw4KjCUBLHEY2MrpCyusxGdSko1H3FMsXm7F2SC3N+Hh3750R9fBo2NHW0DI/T0rV7t6RueeD5O8UVv0+3j1KD3E3/39tKTo/++61B2/nJCxC762snKxFDRZGXmsWefV+4brYfeBVAljIOerzRXBAwdKB2qMGhkr1nt5/Okd5EFS6p/7BgmXgi0FqINcDEM35k/NG7clFkl75bYafp4PWlQ0XXwcSFsfUsWX+pCn85paTgNlacCy11PrbMDQ/p7lIy1KwIzOzM1RwlbsRHzItzNqxzUPXQfZQx19gclmC+G1XUgbOQubTHD4D2UJB12uWeSIc55k= 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=57.103.68.7; envelope-from=mohamed@unpredictable.fr; helo=outbound.mr.icloud.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 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_VALIDITY_RPBL_BLOCKED=0.892, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.622, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1772784077218158500 When running with nested virt on, a minimum PMU is exposed by Hypervisor.fr= amework if a valid PMUVer register value is set. That PMU isn't exposed otherwise. Signed-off-by: Mohamed Mediouni Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/hvf/hvf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index da6b548880..212efab731 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -1127,6 +1127,10 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPU= Features *ahcf) =20 clamp_id_aa64mmfr0_parange_to_ipa_size(&host_isar); =20 + if (hvf_nested_virt_enabled()) { + FIELD_DP64_IDREG(&host_isar, ID_AA64DFR0, PMUVER, 0x1); + } + ahcf->isar =3D host_isar; =20 /* --=20 2.50.1 (Apple Git-155)