From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1213BC3DA7A for ; Fri, 6 Jan 2023 19:05:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229687AbjAFTFA (ORCPT ); Fri, 6 Jan 2023 14:05:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232399AbjAFTE5 (ORCPT ); Fri, 6 Jan 2023 14:04:57 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B65211F3; Fri, 6 Jan 2023 11:04:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1673031896; x=1704567896; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=U0B3FcIGKcygAKtvShqUhbCH3EMjINmxqyyYU8bpZpU=; b=nu+b9gXIqQ5UbIMk4Ytl06yo8Taudh6z4WGu4/3BoPX3UadunuhutbXU l/QxX5Ia/xN8TC9kHS7cHIaImfieudh10VDlS02hVt+V+RH/WsS8HKwVj Dy6OoCnBMnf2rcFFYbwzRXqdnis+uPop6iZIJ5RU58MQ8fTOy+CrPSoUy z4lF1Wkk9ZC2Gh2D3+vj22obJ7qhis7mztRRHI5JjnAvTNXPWnJHyXS9T ukPdgBckQhEmmqfQezc9dKvJd4VmCIPvYxtQK5Y0l8YEfZbXE0G1Ch7FS ccVpFR2TZK30C6cmLFdEcFE3c/26mw1nvGzLkUGIOEPJp0YeM851cUp8k Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10582"; a="323786390" X-IronPort-AV: E=Sophos;i="5.96,306,1665471600"; d="scan'208";a="323786390" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:04:56 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10582"; a="656020455" X-IronPort-AV: E=Sophos;i="5.96,306,1665471600"; d="scan'208";a="656020455" Received: from xiangyuy-mobl.amr.corp.intel.com (HELO [10.212.251.186]) ([10.212.251.186]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:04:55 -0800 Message-ID: <44161611-67f9-f5cf-0827-6dd8839a1871@intel.com> Date: Fri, 6 Jan 2023 11:04:55 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH v8 03/16] x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC Content-Language: en-US To: Kai Huang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: linux-mm@kvack.org, peterz@infradead.org, tglx@linutronix.de, seanjc@google.com, pbonzini@redhat.com, dan.j.williams@intel.com, rafael.j.wysocki@intel.com, kirill.shutemov@linux.intel.com, ying.huang@intel.com, reinette.chatre@intel.com, len.brown@intel.com, tony.luck@intel.com, ak@linux.intel.com, isaku.yamahata@intel.com, chao.gao@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, bagasdotme@gmail.com, sagis@google.com, imammedo@redhat.com References: <514a6c330ef5fc214d32bcbcc7a77dc825e857df.1670566861.git.kai.huang@intel.com> From: Dave Hansen In-Reply-To: <514a6c330ef5fc214d32bcbcc7a77dc825e857df.1670566861.git.kai.huang@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/8/22 22:52, Kai Huang wrote: > TDX capable platforms are locked to X2APIC mode and cannot fall back to > the legacy xAPIC mode when TDX is enabled by the BIOS. TDX host support > requires x2APIC. Make INTEL_TDX_HOST depend on X86_X2APIC. Reviewed-by: Dave Hansen