Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp569444pxj; Thu, 10 Jun 2021 07:37:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxGTeEctbYtjXKLTER35wsh9Fsgh6xMgZkufQ7S4aOvylS+uWxfF44hXBVjbLFcan67Ay7r X-Received: by 2002:a17:906:5293:: with SMTP id c19mr4717560ejm.245.1623335849389; Thu, 10 Jun 2021 07:37:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623335849; cv=none; d=google.com; s=arc-20160816; b=SULJ++B2H6pFb99bTg763jY8MQU6pHw9gpg667JURsw9aK+7O4fbOJbcNpUvn3RZlG +11A9rFYjdKhUR1s7ot6S8FO6xAXkXt6SUZGTmguRLQ1geYmA9L78ZHCjIvOAWYwfhF6 wO0RLuccIF4TzBAbC9483ojTexr9/FqkzOofHxw3Nd/XuTLcFz57yWWUFm0UvGNTAI0m GSy5nIkrN+LwgwTJ2K799vMCgB5mORTLtKOxH1p3Y7N/QhKXgKVIfCj3UFKmWIYeftnW gHx5BU9G3j3o3JWYhAZPC5sphkUWw0LVfkkzG+BjRIEf8vG9DXUKP9sqj7kTuIun6Nwg /ueg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=jdI2XpaRT+cUe5QAdM2QLk9s1m9GRHZ4hIDsodyeOnU=; b=zNahXnP2fvQayPQ8INlfKmDqNetaewyEPKpiXzLDbSsfwZKIm0q4/vieD7AbgifZeP LKl9VE15w6apNWkTnj9J5UJChf/GmTVO8uyZGrlkZ/qcuMh7kHJIVAhk1ydsYJYq+Jzq p9DBgijG8etpQgIxPBz0FUqAIMkSWFolkBl59N006YoiIzvzrLE/mjUTcbkC/IoaI+Vv GfBGa5Ze2nJStvDZVj3M7zo5YFueD+0yw12HdDMcNF2vluY/PEiGUsbAF7+PbRum6wR7 SHm6FeJHYsSaLkCEwjiWMIymP3VGiN757Yfa8xpJhlbwWeOgKRB3CCRqZ3jkphPD22a1 XgSg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=YDYgOA9T; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f22si2342044ejb.54.2021.06.10.07.37.04; Thu, 10 Jun 2021 07:37:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=YDYgOA9T; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230434AbhFJOhw (ORCPT + 99 others); Thu, 10 Jun 2021 10:37:52 -0400 Received: from mail.skyhub.de ([5.9.137.197]:34868 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230366AbhFJOhv (ORCPT ); Thu, 10 Jun 2021 10:37:51 -0400 Received: from zn.tnic (p200300ec2f0cf600da53221f61d679bd.dip0.t-ipconnect.de [IPv6:2003:ec:2f0c:f600:da53:221f:61d6:79bd]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 8DFD01EC0104; Thu, 10 Jun 2021 16:35:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1623335754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=jdI2XpaRT+cUe5QAdM2QLk9s1m9GRHZ4hIDsodyeOnU=; b=YDYgOA9TeZB90dHTBCwtQksnfiBZGl4V2V+jlQnpDi9q351dY76OV6PY/t5ZemrEqVEzBq 8XvT7Ypd8Z1B1nDoVFcPF7gukDDCzvSt8yUFt3+e0nzjVhlCpc0/3mLDw+W+X+AXoWsInL wCRILHC1NXIBH8SKBnn/2FB8qijYtVY= Date: Thu, 10 Jun 2021 16:35:48 +0200 From: Borislav Petkov To: "Kirill A. Shutemov" Cc: Kuppuswamy Sathyanarayanan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Andy Lutomirski , Peter H Anvin , Dave Hansen , Tony Luck , Dan Williams , Andi Kleen , Kirill Shutemov , Kuppuswamy Sathyanarayanan , Sean Christopherson , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v1 03/11] x86/cpufeatures: Add TDX Guest CPU feature Message-ID: References: <20210602022136.2186759-1-sathyanarayanan.kuppuswamy@linux.intel.com> <20210602022136.2186759-4-sathyanarayanan.kuppuswamy@linux.intel.com> <20210610142943.uohw6nzpip5yi4no@box.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210610142943.uohw6nzpip5yi4no@box.shutemov.name> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 10, 2021 at 05:29:43PM +0300, Kirill A. Shutemov wrote: > No, "tdx" is host feature. It is part TDX host enabling. This feature > indicates that kernel runs within TDX guest and named accordingly. So there will be X86_FEATURE_TDX_GUEST and X86_FEATURE_TDX, latter to mean TDX host functionality? Are those patches somewhere public for me to see? Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette