From nobody Wed Nov 27 08:31:52 2024 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=1700033167; cv=none; d=zohomail.com; s=zohoarc; b=IemD6mfxgpmGMUDpaOrtZgERCa7nYtNW9OrwOXasAsKvK0LYykAZjwJKVkaTvHRm3VbW2/R6rAUi2CckZC4two2rup6wgRvcGQ87ctRbAnMo9yIQ4T3rWb9FhXGcj8F7P7EtjadLhKGMbirwdKNBNxd+/Pstu6gdNL84HswGnfs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1700033167; 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=QWZGTJOrwLUWEXUHQwhgJla7fWrReUOYhlYH0nCAj0Y=; b=cAUpc1I3VfTGbOeUOsesuz2m7Oh51InU/v67/NLuGiqpVqxsm1cwzivMCuaZGlQjCIq6X7z7eXxU2lbWkrW1Nej8QVPmCt44sWjKqj5b8y0OZGvyqRoUALnpv1rPOlQ5LWxYeLXEYLzoXzGAe6FSgUzBRWkT1ZG6uAhMOVKU2kA= 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 1700033167864494.9677489550428; Tue, 14 Nov 2023 23:26:07 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r3AFe-0001I8-VL; Wed, 15 Nov 2023 02:23:55 -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 1r3AFK-0000wY-HK for qemu-devel@nongnu.org; Wed, 15 Nov 2023 02:23:36 -0500 Received: from mgamail.intel.com ([192.55.52.115]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r3AFH-0007Df-DI for qemu-devel@nongnu.org; Wed, 15 Nov 2023 02:23:33 -0500 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2023 23:23:29 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orsmga003.jf.intel.com with ESMTP; 14 Nov 2023 23:23:23 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700033011; x=1731569011; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=H2r+ccbc41orXJzKOTmTCpHgbj6YS/1xLLl39/BjPwI=; b=UmIsuhauVY/oCn+l61HvmF6yLV0uIu7pDDgFX7dFTU9h4l8/xlSWrCLv fe53azL49uTdcuaS3M2S5xF9+sow+CHnKBzDQeV9ecHyVbYTy03JSNqSo ccLCHTdsFGTV59tpwokziql/9ZSsh/ZfhX6b2LfetDp6ZXFCztZMOL/y5 N0hqeFKioRL2OvDzeCR+8loEpt9qkfEVeAc9xsEKXkSvl9RF0x1uSJR81 d04N5+6SBWlC2UqqBFwsrpcfmhVVBO8v9uQTFsJ7arbreBqb0RtywCGmk K5hdOILy/bCs6fbONYDhDt8mEaTfI/n3U1txNBF7AeYhobEtD92lK3td0 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10894"; a="390623619" X-IronPort-AV: E=Sophos;i="6.03,304,1694761200"; d="scan'208";a="390623619" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10894"; a="714800388" X-IronPort-AV: E=Sophos;i="6.03,304,1694761200"; d="scan'208";a="714800388" From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , "Michael S . Tsirkin" , Marcel Apfelbaum , Richard Henderson , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Cornelia Huck , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com, Michael Roth , Sean Christopherson , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang Subject: [PATCH v3 62/70] i386/tdx: Don't allow system reset for TDX VMs Date: Wed, 15 Nov 2023 02:15:11 -0500 Message-Id: <20231115071519.2864957-63-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231115071519.2864957-1-xiaoyao.li@intel.com> References: <20231115071519.2864957-1-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=192.55.52.115; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.999, HK_RANDOM_FROM=0.999, 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1700033169237100007 Content-Type: text/plain; charset="utf-8" TDX CPU state is protected and thus vcpu state cann't be reset by VMM. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann --- target/i386/kvm/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index f1c4dd759b3e..a74a0d8e0891 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -5675,7 +5675,7 @@ bool kvm_has_waitpkg(void) =20 bool kvm_arch_cpu_check_are_resettable(void) { - return !sev_es_enabled(); + return !sev_es_enabled() && !is_tdx_vm(); } =20 #define ARCH_REQ_XCOMP_GUEST_PERM 0x1025 --=20 2.34.1