From nobody Wed Nov 27 08:43:46 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=1700033075; cv=none; d=zohomail.com; s=zohoarc; b=NJiEQw8/R/H16LkyPaDl6DBKDjiVP+BRIfqNMiPONcajuzKEappWe2YTzCVW3a+pu5sw/Stri73eVBdAkZ6T2R+mR3jnDFZo9aTCqQw1nN1jkyVsHAcUHe6WP+CefIP29uA1Co3luVnfhE7GiMgMaQyQljsx58AGP6KPe5Jcg8g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1700033075; 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=IzUVl7FPKb7yuZ2GHdcirXq985prUJwSZmvYWkGilU4=; b=G52HNT3QO6wwGRl824x+qPPEcZXNrZOthf64YQnwMKCvs2hyrNzluBF87I/5tLylAk3DQ4VWNFKiGvbAH+LH+yAUy3xixHOgFV/1kt8nS/yLOzjr3a1Tw83jK0rRq8gqXKAyMcKDrZ7duhF1jB8izp0IvwTv+FZ6bnOqm7lzqgA= 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 1700033075463445.7606112582089; Tue, 14 Nov 2023 23:24:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r3AFr-0001dA-6u; Wed, 15 Nov 2023 02:24:07 -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 1r3AFj-0001RY-9h for qemu-devel@nongnu.org; Wed, 15 Nov 2023 02:23:59 -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-FX for qemu-devel@nongnu.org; Wed, 15 Nov 2023 02:23:59 -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 23:23:56 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orsmga003.jf.intel.com with ESMTP; 14 Nov 2023 23:23:49 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700033037; x=1731569037; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XNTiE6ZqujS4EetrrerE0o29oEenkiGYukDBImCgacA=; b=lNp5851h8NRZG/nmj8ZrXLH07tcncteoQYbKfx8JR8hCtaY5kgpMDbv1 juPdLrZITmZB6czPIH/5E2JqmM+chzBt51oLN23wnzQ6hbVDd93W02TFs LCTarY8kDV/DRTGmJsl7Qt5BsDymtS8D4ujIu6NRkhnQTIdBmOSphhdn5 7KY4bTHanv/aZ+N2bzoQedzYZ10zPLA5Q2YMCXHXG0ZGdNQhYV/1+Y5el AZRO3UI2/TLS87Skdaz39ebYkHM53Pcwj0s/rNOXdPFCxG0i0/9tNFr8d 9qEVTBkqkqkPC0c8H12Xphahv6G/PoVNgLsOL6rQERnbimYZ/tjHwUXWq Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10894"; a="390623693" X-IronPort-AV: E=Sophos;i="6.03,304,1694761200"; d="scan'208";a="390623693" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10894"; a="714800444" X-IronPort-AV: E=Sophos;i="6.03,304,1694761200"; d="scan'208";a="714800444" 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 66/70] i386/tdx: Don't synchronize guest tsc for TDs Date: Wed, 15 Nov 2023 02:15:15 -0500 Message-Id: <20231115071519.2864957-67-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: 1700033076953100006 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 a74a0d8e0891..773e0b042ae9 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -279,7 +279,7 @@ 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