From nobody Sat Nov 23 23:08:16 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=1730789355; cv=none; d=zohomail.com; s=zohoarc; b=cIMWbMKPCkz9W0RbTvsyl04UK7i3V4qwuOlMZKJJfvapHFY4KjXBvlWStEvu/mbISz2T/6xwUg8C7mD78aA03CzYB0A0U15UNy+9ULm5DS6lMoXXcYfqlYu+0Cmk3qNQgY/XXfJZoM7IYtTlskXZsLT1WwHqzuyH97lSz/6Tfas= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1730789355; 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=y1uyLVeBQlKxmu/7N5SuoU3tPsD71q2RbzmRQbfDyO4=; b=KLl4lV6Ya6vC7JiVic81nXSSKWMUU0FAmCiDohn8C3YShGsP7X/B8Z4srxuzizMMPzc5w1kuv9SQ/tAVBPE/a/rEgUltwUjx3WeHDWRyrZNQn4QxQR4WrkLBetQfRQrhiJuzRToZk6o05maz0seFjTdQjjXK7hHFCfWb9+xB6jA= 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 1730789355316474.6531659016671; Mon, 4 Nov 2024 22:49:15 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t8DEV-00036B-PY; Tue, 05 Nov 2024 01:40:08 -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 1t8DEC-0001Q4-5u for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:39:48 -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 1t8DE9-0001vd-Az for qemu-devel@nongnu.org; Tue, 05 Nov 2024 01:39:47 -0500 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 22:39:31 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa009.fm.intel.com with ESMTP; 04 Nov 2024 22:39:27 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730788785; x=1762324785; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+XE3AzklwMx8qhJJ+4Ok+j4KRAHEYu5njiiWc5OMr0s=; b=F3pDIQ0NVxzDnKy8hR8PR6BvRXHbKqoIAwObdlDQq8chOPqqb1Rqdqif k9vcJ6rvsXEdZ1dAIxiboQToBPt9oIMEZGRI+66kv2kCxALuCU5d3qx7U lM++uVuCv6nVE9RO6c9yvb/CvNeG5NbLqTu0EY7kqBYqep/kf/6CRL5Da eCopyuHW7hFAQmjvzn6l7S7cl8wyRJDsWExc4XhcBZvPQ93fDpqNnuSlK GJ1LSj2Kqb/T+xByY1jsWyr2T36fbBERlWJABEmLF1lJgA7wsJts0mnFU bS/KEPubtEQyHvNyjhmbVCWqMg0jOduBfuEhDVKGF5pn2uz90iS5Sa1AE w==; X-CSE-ConnectionGUID: D5fO8PP8Ql6VbuLeTynOOw== X-CSE-MsgGUID: B1lT4XivT0yLahDYwu7GAQ== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="30689801" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="30689801" X-CSE-ConnectionGUID: /q6YE+zjQ2S+qPxXDNLUQw== X-CSE-MsgGUID: 8D/bpe6kSS61Uxuq3srC+w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,259,1725346800"; d="scan'208";a="83989664" 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=20Mathieu-Daud=C3=A9?= , Yanan Wang , Cornelia Huck , =?UTF-8?q?Daniel=20P=2E=20Berrang=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 44/60] i386/tdx: Skip kvm_put_apicbase() for TDs Date: Tue, 5 Nov 2024 01:23:52 -0500 Message-Id: <20241105062408.3533704-45-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 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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1730789357474116600 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 8909fce14909..c39e879a77e9 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -3627,6 +3627,11 @@ 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 2.34.1