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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5ACC8C43331 for ; Mon, 11 Nov 2019 02:20:25 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1E62D2067B for ; Mon, 11 Nov 2019 02:20:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E62D2067B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id C23B4C52; Mon, 11 Nov 2019 02:20:24 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 21423C4E for ; Mon, 11 Nov 2019 02:20:23 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 6F6EE102 for ; Mon, 11 Nov 2019 02:20:22 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Nov 2019 18:20:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,291,1569308400"; d="scan'208";a="228794367" Received: from allen-box.sh.intel.com (HELO [10.239.159.136]) ([10.239.159.136]) by fmsmga004.fm.intel.com with ESMTP; 10 Nov 2019 18:20:19 -0800 Subject: Re: [PATCH v2 1/1] iommu/vt-d: Add Kconfig option to enable/disable scalable mode To: Qian Cai References: <519c1126-ab91-1308-bdd0-c8d1be7a1c63@linux.intel.com> <2BBFF955-5533-43CD-849A-2BA6B2CC1AF2@lca.pw> From: Lu Baolu Message-ID: <8663cb77-6ec3-fc2a-87bb-3d6629ec1a7f@linux.intel.com> Date: Mon, 11 Nov 2019 10:17:25 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <2BBFF955-5533-43CD-849A-2BA6B2CC1AF2@lca.pw> Content-Language: en-US Cc: kevin.tian@intel.com, ashok.raj@intel.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, jacob.jun.pan@intel.com, David Woodhouse X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org SGksCgpPbiAxMS8xMS8xOSAxMDowMCBBTSwgUWlhbiBDYWkgd3JvdGU6Cj4gCj4gCj4+IE9uIE5v diAxMCwgMjAxOSwgYXQgODozMCBQTSwgTHUgQmFvbHUgPGJhb2x1Lmx1QGxpbnV4LmludGVsLmNv bT4gd3JvdGU6Cj4+Cj4+IEhvdyBhYm91dCAicGFzaWQgYmFzZWQgbXVsdGlwbGUgc3RhZ2VzIERN QSB0cmFuc2xhdGlvbiI/Cj4gCj4gSXQgaXMgYmV0dGVyIGJ1dCBJIGFtIHN0aWxsIG5vdCBzdXJl IGhvdyBkZXZlbG9wZXJzIHNob3VsZCBzZWxlY3QgaXQgb3Igbm90IHdoZW4gYXNraW5nLiBJZGVh bGx5LCBzaG91bGQgaXQgbWVudGlvbiBwcm9zIGFuZCBjb25zIG9mIHRoaXM/IEF0IG1pbmltYWws IHRoZXJlIHNob3VsZCBiZSBhIGxpbmUgc2FpZCDigJxpZiBub3Qgc3VyZSB3aGF0IHRoaXMgaXMs IHNlbGVjdCBO4oCdPwo+IAoKQWN0dWFsbHksIEknZCByZWNvbW1lbmQgImlmIG5vdCBzdXJlLCB1 c2UgdGhlIGRlZmF1bHQgdmFsdWUiLiA6LSkKCkJlc3QgcmVnYXJkcywKYmFvbHUKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0 CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3Vu ZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11