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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 DDF88C35249 for ; Mon, 3 Feb 2020 01:35:01 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 A0DF320661 for ; Mon, 3 Feb 2020 01:35:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0DF320661 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 fraxinus.osuosl.org (Postfix) with ESMTP id 7956C85531; Mon, 3 Feb 2020 01:35:01 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mGQJeAqGy3PN; Mon, 3 Feb 2020 01:35:00 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 3D39285361; Mon, 3 Feb 2020 01:35:00 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 1B4C1C1D81; Mon, 3 Feb 2020 01:35:00 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id F2947C0174 for ; Mon, 3 Feb 2020 01:34:58 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id E18E420337 for ; Mon, 3 Feb 2020 01:34:58 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PrmZmA4ev2oR for ; Mon, 3 Feb 2020 01:34:57 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by silver.osuosl.org (Postfix) with ESMTPS id 7AE5120341 for ; Mon, 3 Feb 2020 01:34:57 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Feb 2020 17:34:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,396,1574150400"; d="scan'208";a="334930684" Received: from yxu39-mobl3.ccr.corp.intel.com (HELO [10.254.210.157]) ([10.254.210.157]) by fmsmga001.fm.intel.com with ESMTP; 02 Feb 2020 17:34:54 -0800 Subject: Re: (new error in kernel 5.5) DMAR: [Firmware Bug]: No firmware reserved region can cover this RMRR To: Thomas G , David Woodhouse , Joerg Roedel , iommu@lists.linux-foundation.org References: From: Lu Baolu Message-ID: <7a147a10-c472-2fcd-b45f-215dd6c96b7c@linux.intel.com> Date: Mon, 3 Feb 2020 09:34:55 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: 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" SGkgVGhvbWFzLAoKQmVsb3cgY29tbWl0IGlzIHN1cHBvc2VkIHRvIGZpeCB0aGlzIGlzc3VlLiBJ dCdzIGN1cnJlbnRseSBpbgp4ODYvdnQtZCBicmFuY2ggb2YgdGhlIGlvbW11IHRyZWUsIGFuZCB3 aWxsIGJlIHBhcnQgb2YgdjUuNi1yYzEuCgpjb21taXQgZjVhNjhiYjA3NTJlMGNmNzdjMDZmNTNm NzIyNThlN2JlYjQxMzgxYgpBdXRob3I6IEJhcnJldCBSaG9kZW4gPGJyaG9AZ29vZ2xlLmNvbT4K RGF0ZTogICBXZWQgSmFuIDE1IDExOjAzOjU2IDIwMjAgKzA4MDAKCiAgICAgaW9tbXUvdnQtZDog TWFyayBmaXJtd2FyZSB0YWludGVkIGlmIFJNUlIgZmFpbHMgc2FuaXR5IGNoZWNrCgogICAgIFJN UlIgZW50cmllcyBkZXNjcmliZSBtZW1vcnkgcmVnaW9ucyB0aGF0IGFyZSBETUEgdGFyZ2V0cyBm b3IgZGV2aWNlcwogICAgIG91dHNpZGUgdGhlIGtlcm5lbCdzIGNvbnRyb2wuCgogICAgIFJNUlIg ZW50cmllcyB0aGF0IGZhaWwgdGhlIHNhbml0eSBjaGVjayBhcmUgcG9pbnRpbmcgdG8gcmVnaW9u cyBvZgogICAgIG1lbW9yeSB0aGF0IHRoZSBmaXJtd2FyZSBkaWQgbm90IHRlbGwgdGhlIGtlcm5l bCBhcmUgcmVzZXJ2ZWQgb3IKICAgICBvdGhlcndpc2Ugc2hvdWxkIG5vdCBiZSB1c2VkLgoKICAg ICBJbnN0ZWFkIG9mIGFib3J0aW5nIERNQVIgcHJvY2Vzc2luZywgdGhpcyBjb21taXQgbWFya3Mg dGhlIGZpcm13YXJlCiAgICAgYXMgdGFpbnRlZC4gVGhlc2UgUk1SUnMgd2lsbCBzdGlsbCBiZSBp ZGVudGl0eSBtYXBwZWQsIG90aGVyd2lzZSwKICAgICBzb21lIGRldmljZXMsIGUueC4gZ3JhcGhp YyBkZXZpY2VzLCB3aWxsIG5vdCB3b3JrIGR1cmluZyBib290LgoKICAgICBTaWduZWQtb2ZmLWJ5 OiBCYXJyZXQgUmhvZGVuIDxicmhvQGdvb2dsZS5jb20+CiAgICAgU2lnbmVkLW9mZi1ieTogTHUg QmFvbHUgPGJhb2x1Lmx1QGxpbnV4LmludGVsLmNvbT4KICAgICBGaXhlczogZjAzNmM3ZmEwYWI2 MCAoImlvbW11L3Z0LWQ6IENoZWNrIFZULWQgUk1SUiByZWdpb24gaW4gQklPUyAKaXMgcmVwb3J0 ZWQgYXMgcmVzZXJ2ZWQiKQogICAgIFNpZ25lZC1vZmYtYnk6IEpvZXJnIFJvZWRlbCA8anJvZWRl bEBzdXNlLmRlPgoKQmVzdCByZWdhcmRzLApiYW9sdQoKT24gMjAyMC8yLzMgNTowNiwgVGhvbWFz IEcgd3JvdGU6Cj4gRGVhciBhbGwsCj4gCj4gVnQtZCBzZWVtcyB0byBiZSBicm9rZW4gc2luY2Ug SSB1cGdyYWRlZCB0byBrZXJuZWwgNS41LCB0aGVyZSBpcyBhIG5ldyAKPiBkbWVzZyB0aGF0IHdh cyBub3QgdGhlcmUgaW4gNS40Ogo+ICJETUFSOiBbRmlybXdhcmUgQnVnXTogTm8gZmlybXdhcmUg cmVzZXJ2ZWQgcmVnaW9uIGNhbiBjb3ZlciB0aGlzIFJNUlIgCj4gWzB4MDAwMDAwMDA0MWQ5MjAw MC0weDAwMDAwMDAwNDFkOTRmZmZdLCBjb250YWN0IEJJT1MgdmVuZG9yIGZvciBmaXhlcyIKPiAK PiBTeXN0ZW0gbW90aGVyYm9hcmQgaXMgQXNyb2NrIFgyOTkgVGFpY2hpIFhFLCBiaW9zIDEuNzAs IENQVSBpcyBDb3JlIGk5IDc5MjAKPiBWdC1kIGFuZCBncHUgcGFzc3Rocm91Z2ggd2FzIHdvcmtp bmcgb2sgc2luY2Uga2VybmVsIDQuMjAgd2hlbiBJIAo+IHB1cmNoYXNlZCBpdAo+IAo+IEkgYXR0 YWNoZWQgdGhlIGRtZXNnIEkgZ2V0IHdpdGgga2VybmVsIDUuNS4xLCBhbmQgdGhlIGRtZXNnIGZy b20gNS40LjE3Lgo+IAo+IEFsc28sIEkgdXNlIHRoZSBmb2xsb3dpbmcgc2NyaXB0IHRoYXQgZGlz cGxheXMgdGhlIElPTU1VIGdyb3VwcywgSSBmb3VuZCAKPiB0aGUgc2NyaXB0IHRoZXJlIAo+IGh0 dHBzOi8vd2lraS5hcmNobGludXgub3JnL2luZGV4LnBocC9QQ0lfcGFzc3Rocm91Z2hfdmlhX09W TUYKPiAKPiAjIS9iaW4vYmFzaAo+IHNob3B0IC1zIG51bGxnbG9iCj4gZm9yIGQgaW4gL3N5cy9r ZXJuZWwvaW9tbXVfZ3JvdXBzLyovZGV2aWNlcy8qOyBkbwo+ICDCoCDCoCBuPSR7ZCMqL2lvbW11 X2dyb3Vwcy8qfTsgbj0ke24lJS8qfQo+ICDCoCDCoCBwcmludGYgJ0lPTU1VIEdyb3VwICVzICcg IiRuIgo+ICDCoCDCoCBsc3BjaSAtbm5zICIke2QjIyovfSIKPiBkb25lOwo+IAo+IFRoZSBvdXRw dXQgb2YgdGhpcyBzY3JpcHQgd2l0aCBrZXJuZWwgNS40LjE3IGlzIGF0dGFjaGVkIHRvIHRoaXMg ZW1haWwuCj4gVGhlIHNhbWUgc2NyaXB0IHdpdGgga2VybmVsIDUuNS4xIHByb2R1Y2VzIGFuIGVt cHR5IG91dHB1dAo+IAo+IEhvcGUgaXQgaGVscHMgbmFycm93aW5nIGRvd24gdGhlIHByb2JsZW0s IHBsZWFzZSBhc2sgYWRkaXRpb25hbCBpbmZvIGlmIAo+IG5lZWRlZC4gU29ycnkgaWYgdGhpcyBp cyBub3Qgc3VibWl0dGVkIGFzIGl0IHNob3VsZCBiZSAodGhlbiBwbGVhc2UgCj4gYWR2aXNlKSwg Zmlyc3QgdGltZSBJIHJlcG9ydCAtd2hhdCBhcHByZWFycyB0byBiZS0gYSBidWcuCj4gCj4gQmVz dCwKPiBUaG9tYXMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0 dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11