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 3CFFDC352A1 for ; Wed, 30 Nov 2022 22:26:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229737AbiK3W0Q (ORCPT ); Wed, 30 Nov 2022 17:26:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229684AbiK3W0N (ORCPT ); Wed, 30 Nov 2022 17:26:13 -0500 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B00AB87CB7; Wed, 30 Nov 2022 14:26:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669847172; x=1701383172; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=vB3zUTLnMXl5iiPneAlLL6sdoFY16u7w9ki2HcepyIU=; b=RDwmuS2G1x5dgi/Yd02oq+v3msFuXHYkKboyF9OuW/LNeyypL0ueCHOO M16GUwhj0U7xc9j2NzsT01HZHH7AiKk3JY5K+nkMO4WOnncELfH8L7Aih KQ5hf7BB1IuaEnzBgLrshQKlPE7SjHr0rdPvH44BT180u/6av5xXJtN++ 1RAyyuio1gLW+G1QXFLnevh5uFlRDvdvXisSCAPfYM3AtHMSMswRzPmBx IFvwVbUiZGSTd6ZJH+510ceAeVeGILIJgktHAQBgP793A6XG91q76TuXS zClMnsVsRQTPtYS5G9u8LeKCeHoP62NIf+7S23Wq2fpi7tNOR5ibyvbKC w==; X-IronPort-AV: E=McAfee;i="6500,9779,10547"; a="315549359" X-IronPort-AV: E=Sophos;i="5.96,207,1665471600"; d="scan'208";a="315549359" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 14:26:12 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10547"; a="707823341" X-IronPort-AV: E=Sophos;i="5.96,207,1665471600"; d="scan'208";a="707823341" Received: from xwang-mobl1.amr.corp.intel.com (HELO [10.212.177.221]) ([10.212.177.221]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 14:26:09 -0800 Message-ID: Date: Wed, 30 Nov 2022 14:26:07 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: [PATCH v7 10/20] x86/virt/tdx: Use all system memory when initializing TDX module as TDX memory Content-Language: en-US To: "Huang, Kai" , "Williams, Dan J" , "peterz@infradead.org" Cc: "kvm@vger.kernel.org" , "Luck, Tony" , "bagasdotme@gmail.com" , "ak@linux.intel.com" , "Wysocki, Rafael J" , "kirill.shutemov@linux.intel.com" , "Christopherson,, Sean" , "Chatre, Reinette" , "pbonzini@redhat.com" , "linux-mm@kvack.org" , "Yamahata, Isaku" , "linux-kernel@vger.kernel.org" , "Shahar, Sagi" , "imammedo@redhat.com" , "Gao, Chao" , "Brown, Len" , "sathyanarayanan.kuppuswamy@linux.intel.com" , "Huang, Ying" References: <9b545148275b14a8c7edef1157f8ec44dc8116ee.1668988357.git.kai.huang@intel.com> <637ecded7b0f9_160eb329418@dwillia2-xfh.jf.intel.com.notmuch> <699700de9d63fa72fda4620d052fda3427193b21.camel@intel.com> From: Dave Hansen In-Reply-To: <699700de9d63fa72fda4620d052fda3427193b21.camel@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 11/24/22 02:02, Huang, Kai wrote: > Thanks for input. I am fine with 'tdx=force'. > > Although, I'd like to point out KVM will have a module parameter 'enable_tdx'. > > Hi Dave, Sean, do you have any comments? That's fine. Just keep it out of the initial implementation. Ignore it for now,