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 BC668C32771 for ; Sun, 19 Jan 2020 01:54:40 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 86ED324697 for ; Sun, 19 Jan 2020 01:54:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 86ED324697 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 localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 4E64885721; Sun, 19 Jan 2020 01:54:40 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7BPcZD0FFGWL; Sun, 19 Jan 2020 01:54:39 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id F33E281927; Sun, 19 Jan 2020 01:54:38 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E5AB0C1796; Sun, 19 Jan 2020 01:54:38 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6CEA8C077D for ; Sun, 19 Jan 2020 01:54:37 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 5598786D73 for ; Sun, 19 Jan 2020 01:54:37 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9BnZSIvXDB2j for ; Sun, 19 Jan 2020 01:54:36 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by hemlock.osuosl.org (Postfix) with ESMTPS id 1487186CDC for ; Sun, 19 Jan 2020 01:54:35 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Jan 2020 17:54:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,336,1574150400"; d="scan'208";a="214894039" Received: from allen-box.sh.intel.com (HELO [10.239.159.138]) ([10.239.159.138]) by orsmga007.jf.intel.com with ESMTP; 18 Jan 2020 17:54:34 -0800 Subject: Re: intel iommu pasid question To: =?UTF-8?B?5ZGo5YWJ6L+q?= , iommu@lists.linux-foundation.org References: <2419db41.2662.16fb6dfed52.Coremail.zhouguangdi@cambricon.com> From: Lu Baolu Message-ID: Date: Sun, 19 Jan 2020 09:53:09 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <2419db41.2662.16fb6dfed52.Coremail.zhouguangdi@cambricon.com> Content-Language: en-US X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 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" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" SGkgR3VhbmdkaSwKCk9uIDEvMTgvMjAgMTI6MTggUE0sIOWRqOWFiei/qiB3cm90ZToKPiBIaSBh bGzvvIwKPiAKPiAKPiBJIGFtIGN1cnJlbnRseSBkZXZlbG9waW5nIGEgcGNpZSBkZXZpY2UgZHJp dmVyIG9uIExpbnV4IGtlcm5lbCA0LjQgb3IKPiBsYXRlci4gSSB3YW50IHRvIHVzZSBwYXNpZCB0 byBkaXJlY3RseSBhY2Nlc3MgdXNlci1tb2RlIG1lbW9yeS4gQnV0IEkKPiBmb3VuZCB0aGF0IHRo ZSBpb21tdSBvZiBteSBkZXZlbG9wbWVudCBtYWNoaW5lIGRvZXMgbm90IHN1cHBvcnQgCj4gcGFz aWQucGFzaWRfZW5hYmxlZChpb21tdSkgb3IgcGFzaWRfc3VwcG9ydGVkKGlvbW11KSByZXR1cm4g ZmFsc2UuCgpJbnRlbCBJT01NVSBkcml2ZXIgY3VycmVudGx5IHN1cHBvcnRzIFNWQSB0aHJvdWdo IEFQSXMgZGVmaW5lZCBpbgppbmNsdWRlL2xpbnV4L2ludGVsLXN2bS5oLiBXZSBhcmUgc3dpdGNo aW5nIHRvIHVzZSB0aGUgQVBJcyBkZWZpbmVkCmluIGRyaXZlci9pb21tdS9pb21tdS5jLCBidXQg aXQgc2hvdWxkIGxhc3QgZm9yIHNvbWUgd2hpbGUuCgpCZXN0IHJlZ2FyZHMsCmJhb2x1Cl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcg bGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4 Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==