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=-2.2 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 ABB7AC2D0CF for ; Tue, 24 Dec 2019 11:26:58 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 794B2206B7 for ; Tue, 24 Dec 2019 11:26:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 794B2206B7 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 hemlock.osuosl.org (Postfix) with ESMTP id 2A5F785A81; Tue, 24 Dec 2019 11:26:58 +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 dF+XTIevG8ZM; Tue, 24 Dec 2019 11:26:57 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id A7D89859B1; Tue, 24 Dec 2019 11:26:57 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9110CC1D80; Tue, 24 Dec 2019 11:26:57 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id B0F9EC0881 for ; Tue, 24 Dec 2019 11:26:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id ACDED87482 for ; Tue, 24 Dec 2019 11:26:55 +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 yVpqGXKK6h6L for ; Tue, 24 Dec 2019 11:26:55 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by hemlock.osuosl.org (Postfix) with ESMTPS id 26D718742F for ; Tue, 24 Dec 2019 11:26:55 +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 fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Dec 2019 03:26:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,351,1571727600"; d="scan'208";a="207573299" Received: from blu2-mobl3.ccr.corp.intel.com (HELO [10.254.215.56]) ([10.254.215.56]) by orsmga007.jf.intel.com with ESMTP; 24 Dec 2019 03:26:53 -0800 Subject: =?UTF-8?B?UmU6IOetlOWkjTog562U5aSNOiDnrZTlpI06IFtQQVRDSF0gaW9tbXUv?= =?UTF-8?Q?vt-d=3a_Don=27t_reject_nvme_host_due_to_scope_mismatch?= To: "Jim,Yan" , Jerry Snitselaar References: <4b77511069cb4fbc982eebaad941cd23@baidu.com> <149a454d-96ea-1e25-74d1-04a08f8b261e@linux.intel.com> <8fbd6988b0a94c5e9e4b23eed59114dc@baidu.com> From: Lu Baolu Message-ID: <273a4cc4-f17b-63a6-177d-9830e683bf52@linux.intel.com> Date: Tue, 24 Dec 2019 19:26:53 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <8fbd6988b0a94c5e9e4b23eed59114dc@baidu.com> Content-Language: en-US Cc: "iommu@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" 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: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi, On 2019/12/24 16:18, Jim,Yan wrote: >>>> For both cases, a quirk flag seems to be more reasonable, so that >>>> unrelated devices will not be impacted. >>>> >>>> Best regards, >>>> baolu >>> Hi Baolu, >>> Thanks for your advice. And I modify the patch as follow. >> I just posted a patch for both NTG and NVME cases. Can you please take a look? >> Does it work for you? >> >> Best regards, >> baolu >> > I have tested your patch. It does work for me. But I prefer my second version, it is more flexible, and may use for similar unknown devices. > I didn't get your point. Do you mind explaining why it's more flexible? Best regards, baolu _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu