From nobody Sat Apr 5 15:01:06 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=1743516142; cv=none; d=zohomail.com; s=zohoarc; b=QGgwFNbo6PkETBZG5Ag7M9Cq/z8xyEfrYKpFTXilgurZwWriC6rwN4b+AqaEVPhZZRvwfhcFBRJJHBj50NZBHa+GyqxyIX5r/7tzib/fVYW7HPv9KYRjSJn0zcxD9p9cnCFUQYCvdqurxHHiNl4WCUFG7nko9yKEqlPaXSZSdII= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1743516142; 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=G8ekRxYM1v63/wHutuAoik2h1zXqjJq0+j3VsIZV3Fc=; b=YK4Hzb9+GBKkf/vhSsLV+wL8yYQVQ+uDQBRTbbgL9j7yyznMkgcBvQayNTarGckG3wvJmIhC8Vh5esh1nZSRqACLyPJ19Bgz0AA7dV646iKoV52Cu10hDsB+4O96d/cvzotQlwOcWNlNfHv4j3amHY7Z1mBDMpiUDUP+maPIuqI= 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 1743516142298859.8392201444227; Tue, 1 Apr 2025 07:02:22 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tzbvS-00026q-4E; Tue, 01 Apr 2025 09:45:11 -0400 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 1tzbuK-0000Yz-Di for qemu-devel@nongnu.org; Tue, 01 Apr 2025 09:44:06 -0400 Received: from mgamail.intel.com ([192.198.163.16]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tzbuI-0006XQ-K5 for qemu-devel@nongnu.org; Tue, 01 Apr 2025 09:44:00 -0400 Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2025 06:42:50 -0700 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa008.fm.intel.com with ESMTP; 01 Apr 2025 06:42:48 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743515038; x=1775051038; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VD5cLhhOxm2rY5XZ6+nf6tMgf/SKVeJGzlvaWHkLI9U=; b=hRMHFNZEFy/V5tFapzLwT3tDnSyfg1hkbYNV/dQOqS24Laf8lH0fAviH +jcZqh/257Ako0UF9aoUc17orZtNxqv9DO/1IveI7rRRgUbHVyh20lBWV I5J6rb/EVb406Sx1SvMj1gWsEhjzWxr4WzgTvHnOwL4qjZmIw3ETWwAN/ zGZ3j9FkyI8rFonNuRv10GH9SKLA77UXQDU2xoAfAdwetDQSapl7ZZz1D EJMouAfiCbIDtv/CLOTlbgj9PTC9wLJfB6KBJ5V25pAFGWbVLZE5B9ENc iOrOeCDm5Zat/3HSOSCs9jJp1rylR035R7KNj8zNw7EebZinp7++W76+r A==; X-CSE-ConnectionGUID: ysdbOeWAR9eCH1BfQnr2Ng== X-CSE-MsgGUID: BVAStVxiRX+R5wBGUnK+SQ== X-IronPort-AV: E=McAfee;i="6700,10204,11391"; a="32433490" X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="32433490" X-CSE-ConnectionGUID: eHzSK8AcS9SW3O5F+CDu4g== X-CSE-MsgGUID: KuK8mVWiTDa1Wj3/LjYC2Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="126640158" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Cc: "Michael S. Tsirkin" , Markus Armbruster , Francesco Lavra , Marcelo Tosatti , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Rick Edgecombe , Xiaoyao Li Subject: [PATCH v8 39/55] i386/tdx: Don't synchronize guest tsc for TDs Date: Tue, 1 Apr 2025 09:01:49 -0400 Message-Id: <20250401130205.2198253-40-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250401130205.2198253-1-xiaoyao.li@intel.com> References: <20250401130205.2198253-1-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=192.198.163.16; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.997, 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=0.999, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1743516144533019100 Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata TSC of TDs is not accessible and KVM doesn't allow access of MSR_IA32_TSC for TDs. To avoid the assert() in kvm_get_tsc, make kvm_synchronize_all_tsc() noop for TDs, Signed-off-by: Isaku Yamahata Reviewed-by: Connor Kuehl 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 741b50181ed9..ead1d0263385 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -327,7 +327,7 @@ void kvm_synchronize_all_tsc(void) { CPUState *cpu; =20 - if (kvm_enabled()) { + if (kvm_enabled() && !is_tdx_vm()) { CPU_FOREACH(cpu) { run_on_cpu(cpu, do_kvm_synchronize_tsc, RUN_ON_CPU_NULL); } --=20 2.34.1