From nobody Fri Dec 19 17:35:35 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; 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=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1709189362; cv=none; d=zohomail.com; s=zohoarc; b=hXtfs/c5UMoGAJydAChrJfsmBF7KA7cazRSx5nI4kGmeQTfr0nz/nZ5OgaP9uZ9oq7XJUyUARkSzs3djNwC8RZMH/Ij7yEzCdXxLIawkA5WFGab8ywUpOj8u+ZL02dXja1a513TTYTlOWelx9Utn/W897ULVm+1f68mfLuJClFs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1709189362; 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=PbaevVryhLyw5pY6pjahG7AgwgYH/Ni1SNWwPFYAGmI=; b=MHmMJQtc/+VyI2HcR1K7tTfivr54IioTIpGDy4XgTleuW4W1G8N3yq2Gfkl3UnVkOkxFZ3xdcKlb/YwhN2A+vufWdCN0uls70v6alt2zqN2TBHDHbuocs0s4ts5MaRLPf386ASKO/j6hrjmJVIfahRLwsgBC+Yp/+GhtWKnmEGU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1709189362295566.5056754223264; Wed, 28 Feb 2024 22:49:22 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfa9h-0004Hn-EV; Thu, 29 Feb 2024 01:44:33 -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 1rfa9d-0003w8-Th for qemu-devel@nongnu.org; Thu, 29 Feb 2024 01:44:30 -0500 Received: from mgamail.intel.com ([192.198.163.15]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfa9c-0005ON-3J for qemu-devel@nongnu.org; Thu, 29 Feb 2024 01:44:29 -0500 Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2024 22:44:25 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa007.jf.intel.com with ESMTP; 28 Feb 2024 22:44:20 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709189068; x=1740725068; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=w43m/q1K3tjH9BzdhhpNxp1BomsI63/42OLw0r7ykq0=; b=RpHJ+9L3+2hTMsnQ1QssvDAWZKlzRI6UiVX5z/fiXp08goMMfqIFeLsC +qL71pJbqFHOS0+2FaAdJQ78Mrcxs0iza0/Eus00OraY1LCpFDENMks0g xE0P9qlX87pw3eojFo3gFpSR2pukIAQzby/yN6JiNqg1C1xLIoSpxmysY WlIVjKVn9cL2AZ9hsgAyRA9sgld83az9kUpwQ5rAv/18jixG50fd3mV2X /Xp54HBFQT3wLTgdXZKrmpvEAaIJvjkeT1ItraA2bIXrzkWNP3YQNKzhj dsyoBX5ouoKEunEVyLme+5Fz/ai6CRMOLPZr4QQKwzd/NTV5+ysEBCRFW Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10998"; a="3803328" X-IronPort-AV: E=Sophos;i="6.06,192,1705392000"; d="scan'208";a="3803328" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,192,1705392000"; d="scan'208";a="8076549" From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , Eduardo Habkost , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , "Michael S. Tsirkin" , Richard Henderson , Ani Sinha , Peter Xu , Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, Michael Roth , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang , xiaoyao.li@intel.com Subject: [PATCH v5 63/65] i386/tdx: Skip kvm_put_apicbase() for TDs Date: Thu, 29 Feb 2024 01:37:24 -0500 Message-Id: <20240229063726.610065-64-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240229063726.610065-1-xiaoyao.li@intel.com> References: <20240229063726.610065-1-xiaoyao.li@intel.com> MIME-Version: 1.0 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=192.198.163.15; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.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, DKIMWL_WL_HIGH=-0.102, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.596, HK_RANDOM_FROM=0.999, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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 @intel.com) X-ZM-MESSAGEID: 1709189362833100001 Content-Type: text/plain; charset="utf-8" KVM doesn't allow wirting to MSR_IA32_APICBASE for TDs. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann --- target/i386/kvm/kvm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index d23f94b77257..31aed1c9aae0 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -3052,6 +3052,11 @@ void kvm_put_apicbase(X86CPU *cpu, uint64_t value) { int ret; =20 + /* TODO: Allow accessing guest state for debug TDs. */ + if (is_tdx_vm()) { + return; + } + ret =3D kvm_put_one_msr(cpu, MSR_IA32_APICBASE, value); assert(ret =3D=3D 1); } --=20 2.34.1