From nobody Mon Feb 9 18:45:33 2026 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=1659429500; cv=none; d=zohomail.com; s=zohoarc; b=A0lVkfDEAlbGjQvB3+/Kkcvq1H3o12m/oocg/uxuoCisejNfkVPkJmIanYW550EWSOdDC/epOSiFyzoSNmHOIK+JVcC18rK8PhwH27eyjXCZloDGistnhCRctevj4JvvXj1fW5hAFiiu0oY18vDXw3gURmsNkAaj2nOoziada78= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659429500; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=PFukPZZn67/bFFiEiqI9PrhHVH8XGDIL7QeTxfeJpyU=; b=gAyQF8HqBoKZcHULxN306ElVANOfeprAcPj7Z7FZLICkuBV6ZUpdp5410MtBoEMb/P9wCmuUcrviAaMS6ec6pYayJRHetBpvrxiayvOEdRMiqVI4op2tNLCjz8U9uRbOyt1Uye/Um6qf8zFauv3Tx2gtBhzhDvwnSgOZUsEXYoY= 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 1659429500450502.804367673499; Tue, 2 Aug 2022 01:38:20 -0700 (PDT) Received: from localhost ([::1]:43866 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oInPv-0007yZ-5o for importer@patchew.org; Tue, 02 Aug 2022 04:38:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58522) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oImfp-0005ny-Rl for qemu-devel@nongnu.org; Tue, 02 Aug 2022 03:50:45 -0400 Received: from mga04.intel.com ([192.55.52.120]:60043) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oImfn-0007L7-Sn for qemu-devel@nongnu.org; Tue, 02 Aug 2022 03:50:41 -0400 Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Aug 2022 00:50:38 -0700 Received: from lxy-dell.sh.intel.com ([10.239.48.38]) by orsmga008.jf.intel.com with ESMTP; 02 Aug 2022 00:50:34 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659426639; x=1690962639; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zFh6cq5BXS58ZNjpM4IyIaGZkYXo9XQFUzf0cTr2ihM=; b=byNiQrkeI9ENTQLFILbiKCriXL4JWW4O/PurMYF4Bbtx4gBnLTNDlE0e yoUxeW7Nx9De5YccoGI2flqw599l+BA1+tV3rtag816ef4aj/PMFBM0/B zri+JknfVnE/DSWgspa2LpesN3utGzyAuj86JMIvfkbrmqDP+fbJ+r0XQ 6SWvrE8oKIldZ+7UkwOD/+Rc2c50214NsvAz8qIp6O2a4O2JWTcdXJ9R7 jp7vT/Pc6INaL31qKYLfSE9vn3vn/J25yccldwnTela9bqR7LDSZYHzbw DUgzeqfxxm9Hi19BbyIq4k21mNORt6FSbDTrjSwiZSdZV6OrrcU7YwqOS Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10426"; a="288105852" X-IronPort-AV: E=Sophos;i="5.93,210,1654585200"; d="scan'208";a="288105852" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,210,1654585200"; d="scan'208";a="630604528" From: Xiaoyao Li To: Paolo Bonzini , Isaku Yamahata , Gerd Hoffmann , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , "Michael S . Tsirkin" , Marcel Apfelbaum , Cornelia Huck , Marcelo Tosatti , Laszlo Ersek , Eric Blake Cc: Connor Kuehl , erdemaktas@google.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, seanjc@google.com, xiaoyao.li@intel.com Subject: [PATCH v1 38/40] i386/tdx: Skip kvm_put_apicbase() for TDs Date: Tue, 2 Aug 2022 15:47:48 +0800 Message-Id: <20220802074750.2581308-39-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220802074750.2581308-1-xiaoyao.li@intel.com> References: <20220802074750.2581308-1-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=192.55.52.120; envelope-from=xiaoyao.li@intel.com; helo=mga04.intel.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 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, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, RCVD_IN_DNSWL_MED=-2.3, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1659429502499100001 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 53ab539e7e4d..948c87ebdb97 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -2949,6 +2949,11 @@ 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 2.27.0