From patchwork Tue Nov 5 06:24:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13862497 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0D425D1CA3B for ; Tue, 5 Nov 2024 06:48:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8DHE-0006X4-8M; Tue, 05 Nov 2024 01:42:57 -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 1t8DF7-0003YW-Vc for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:40:51 -0500 Received: from mgamail.intel.com ([198.175.65.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t8DF3-0001vj-HP for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:40:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788842; x=1762324842; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NKlDvzzDpP7N59sc27fzM1CZSPqI8zTcm+9UeKAwP8w=; b=QHNbqLuucstjHcOy9UV3xOmCHuLTv2HR54BYmBJ15nyrFQGfxsmlTnKr 0MdozpaIJFm3u8bmp094ac0ePm8eYXdsmjxNPpzz/yh2W8hZv4go3NvcT YOMcpBIyB3qGH2W4e1DHbA78E9lU0uMTUr+CpNXXhjRRaOanVncsZUipd ztk0gH+aldGW+0JRGif3VNEr+2C4qXIvnBBpono6zwCb9Q5o7dm/LPEmX SBeBdvzWa1yWakWSbIdNBbO+hRmRoqBe+NKILxIgz8mqECcTYkFQxcrmU 299jNcd/qXN9h1mjflFnTRV3REfLYkYfD/PQUDfZxY2W9CK16gzZd/3A1 Q==; X-CSE-ConnectionGUID: mIuGk7wWQPy6T81yX22kLQ== X-CSE-MsgGUID: 2eUyQLRiTmehAmyapHM+Pg== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689936" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689936" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2024 22:40:26 -0800 X-CSE-ConnectionGUID: fMooDLw8TVGkCNYMWGss5g== X-CSE-MsgGUID: Is1f+4fSQ9Kp08bHbbfQaw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83990085" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:40:22 -0800 From: Xiaoyao Li To: Paolo Bonzini , Riku Voipio , Richard Henderson , Zhao Liu , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti , rick.p.edgecombe@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, xiaoyao.li@intel.com Subject: [PATCH v6 57/60] i386/tdx: Make invtsc default on Date: Tue, 5 Nov 2024 01:24:05 -0500 Message-Id: <20241105062408.3533704-58-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105062408.3533704-1-xiaoyao.li@intel.com> References: <20241105062408.3533704-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.18; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.781, RCVD_IN_DNSWL_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Because it's fixed1 bit that enforced by TDX module. Signed-off-by: Xiaoyao Li --- target/i386/kvm/tdx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 05475edf72bd..4cb1f4ac3479 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -430,6 +430,9 @@ static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu) object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort); + /* invtsc is fixed1 for TD guest */ + object_property_set_bool(OBJECT(cpu), "invtsc", true, &error_abort); + x86cpu->enable_cpuid_0x1f = true; }