Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp4510776pxj; Wed, 12 May 2021 07:12:39 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz3eYTY0G0FJ9+PA2iiX08pN9H2pkiR7DTCsnUA7K44MbeAlKKvxEJ/HFGD23p0AQDXrhxV X-Received: by 2002:a2e:9083:: with SMTP id l3mr29362242ljg.315.1620828759563; Wed, 12 May 2021 07:12:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620828759; cv=none; d=google.com; s=arc-20160816; b=lRoPNdlnpZmTi9bQtIDFwmlLUkdquWZzsVL64K7XSZI+QCZkCO8oLk5jYwAGXEG40T v+aDQBlOatuxO2p+a06PGamHmsIzA5UR8O7Y01Y+yI2roRpoXeA4S/JBh4XJirpyqlyu EJ7yD+uj6KtNss5iHEIWZSWkEH5VnQE7hAOvT8htaSV8yB4zE0SHBr4axlKBtVIAfftx gBq9wKSyeEv46vNhbe7PukmdIHV8J12+2Ac6fssxS5R+iE0midGr+y3hycga1sLr7yBv 3qb8t6EK/k8XR02S+4jJRzjSaapjUZFDOlqLhjeuI2onEzQsFupnEXDS2NxGgmnhH8KA ZOgA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:ironport-sdr:ironport-sdr; bh=g89i8msw8K3YcgUgyoJhyxkiU/lqH+H0CHj9+4H+k/8=; b=X33ChyTFMk9IkcUBAZG0H2Xh9GGZgOJrVvv+YoqbTSRrbtU/Ss0unoDn24RRP2dYPx hGammlufOvssNH5oNyuPAINio4kxBTdfE7e1wCCFcSbPrKWwkZnXknT5RmGGZgOxth77 Nnz1yKacOrdDK9irrVp/ZV8RCRjAwpKNKVF8G7FEOOnRnxjXjNpZ9vf1i1pz5Ds12J1t P81UqcDTcBgVuq8MZ5tP8Zfr7tozP27J75GllQvwYWMSBwl1F86POWZLRT2xA13NVs60 zsWNi1uFGxIcAjJu0jGSdV/f71s63YYRFnLEYkBDKdsSYnT5DwIm8qzlSK8h75mK6X7P EpGw== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id g38si32364lfv.156.2021.05.12.07.12.09; Wed, 12 May 2021 07:12:39 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230460AbhELOMC (ORCPT + 99 others); Wed, 12 May 2021 10:12:02 -0400 Received: from mga07.intel.com ([134.134.136.100]:7585 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230362AbhELOMB (ORCPT ); Wed, 12 May 2021 10:12:01 -0400 IronPort-SDR: fR0jTeeCDJ3CiXTwFbSoUTbtTB1bQIFVuWF2ymvQBMM9s1UDQEukDn5N5zsz1IOcepi/fpqAB3 gJhbieWoY80A== X-IronPort-AV: E=McAfee;i="6200,9189,9981"; a="263641632" X-IronPort-AV: E=Sophos;i="5.82,293,1613462400"; d="scan'208";a="263641632" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2021 07:10:53 -0700 IronPort-SDR: pPM6Ks1tTrsh/C9IVMkbeqF8eeye6flzD/iMLsvaeRPLZpT3njUD0pnZfJSiqy+YdlCREjaexT sbOHC/GUOJRQ== X-IronPort-AV: E=Sophos;i="5.82,293,1613462400"; d="scan'208";a="625403316" Received: from shepark-mobl.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.209.166.42]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2021 07:10:44 -0700 Subject: Re: [RFC v2 10/32] x86/tdx: Wire up KVM hypercalls To: "Kirill A. Shutemov" Cc: Dave Hansen , Peter Zijlstra , Andy Lutomirski , Dan Williams , Tony Luck , Andi Kleen , Kirill Shutemov , Kuppuswamy Sathyanarayanan , Raj Ashok , Sean Christopherson , linux-kernel@vger.kernel.org, Isaku Yamahata References: <04de6cd6549eee0b77fe3b0937c4b4b7f0e3ff2e.1619458733.git.sathyanarayanan.kuppuswamy@linux.intel.com> <20210512130004.gxiaxj6wlzcjcem5@box.shutemov.name> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <25e248b2-06f7-a450-4c9f-e90e0f0be56e@linux.intel.com> Date: Wed, 12 May 2021 07:10:41 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210512130004.gxiaxj6wlzcjcem5@box.shutemov.name> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/12/21 6:00 AM, Kirill A. Shutemov wrote: > This has to be compiled only for TDX+KVM. Got it. So if we want to remove the "C" file include, we will have to add #ifdef CONFIG_KVM_GUEST in Makefile. ifdef CONFIG_KVM_GUEST obj-$(CONFIG_INTEL_TDX_GUEST) += tdx-kvm.o #endif Dave, do you prefer above change over "C" file include? 25 #ifdef CONFIG_KVM_GUEST 26 #include "tdx-kvm.c" 27 #endif -- Sathyanarayanan Kuppuswamy Linux Kernel Developer