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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 B46BDC4740A for ; Mon, 9 Sep 2019 19:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EF1A218AF for ; Mon, 9 Sep 2019 19:20:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="DpRBrAcC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387744AbfIITUN (ORCPT ); Mon, 9 Sep 2019 15:20:13 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:36552 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726814AbfIITUN (ORCPT ); Mon, 9 Sep 2019 15:20:13 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x89JE3sG155213; Mon, 9 Sep 2019 19:20:03 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2019-08-05; bh=AcDjSHBDWwOtcp3x3N7e8mGZD/OTVsDCuVRfV66ErGQ=; b=DpRBrAcCilLpjs4HrrgpDgnFOuX+NsemburBaLrA0/j9eoseULxbL41H9jrMe9XtfRiw i2SVYFrwheiFM2SBepWzA+awOCQEzNAlSjVA9x5e+nk4FBHU1blf3oZXIIFHoa1mTiYQ HkQ4Zd9GWtPiIqN0N/nWJjH8J/YbT+vHqIlpT3XwTt2daRQ4nQnlKDR5kjUO14ICVMxg MS914nKU3QUfnOhqWM+4Mivry3pZ5GZtYE0iWyylLYDXsMJOduIzKER1pZT+qqH6KbRM wvj/+ZzItTIHANXLBkpkTUlLcbIVK7H5OjFT2PdqMWwE75xwGf0Yirkpqh00hpzMoEH9 XQ== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 2uw1jxxhv6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 09 Sep 2019 19:20:03 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x89JIw6G110779; Mon, 9 Sep 2019 19:20:03 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 2uwpjux706-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 09 Sep 2019 19:20:03 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x89JK15x029447; Mon, 9 Sep 2019 19:20:01 GMT Received: from bostrovs-us.us.oracle.com (/10.152.32.65) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 09 Sep 2019 12:20:01 -0700 Subject: Re: [PATCH] xen/pci: try to reserve MCFG areas earlier To: Igor Druzhinin , xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: jgross@suse.com References: <1567556431-9809-1-git-send-email-igor.druzhinin@citrix.com> <5054ad91-5b87-652c-873a-b31758948bd7@oracle.com> <43b7da04-5c42-80d8-898b-470ee1c91ed2@oracle.com> <1695c88d-e5ad-1854-cdef-3cd95c812574@oracle.com> <4d3bf854-51de-99e4-9a40-a64c581bdd10@citrix.com> From: Boris Ostrovsky Openpgp: preference=signencrypt Autocrypt: addr=boris.ostrovsky@oracle.com; prefer-encrypt=mutual; keydata= mQINBFH8CgsBEAC0KiOi9siOvlXatK2xX99e/J3OvApoYWjieVQ9232Eb7GzCWrItCzP8FUV PQg8rMsSd0OzIvvjbEAvaWLlbs8wa3MtVLysHY/DfqRK9Zvr/RgrsYC6ukOB7igy2PGqZd+M MDnSmVzik0sPvB6xPV7QyFsykEgpnHbvdZAUy/vyys8xgT0PVYR5hyvhyf6VIfGuvqIsvJw5 C8+P71CHI+U/IhsKrLrsiYHpAhQkw+Zvyeml6XSi5w4LXDbF+3oholKYCkPwxmGdK8MUIdkM d7iYdKqiP4W6FKQou/lC3jvOceGupEoDV9botSWEIIlKdtm6C4GfL45RD8V4B9iy24JHPlom woVWc0xBZboQguhauQqrBFooHO3roEeM1pxXjLUbDtH4t3SAI3gt4dpSyT3EvzhyNQVVIxj2 FXnIChrYxR6S0ijSqUKO0cAduenhBrpYbz9qFcB/GyxD+ZWY7OgQKHUZMWapx5bHGQ8bUZz2 SfjZwK+GETGhfkvNMf6zXbZkDq4kKB/ywaKvVPodS1Poa44+B9sxbUp1jMfFtlOJ3AYB0WDS Op3d7F2ry20CIf1Ifh0nIxkQPkTX7aX5rI92oZeu5u038dHUu/dO2EcuCjl1eDMGm5PLHDSP 0QUw5xzk1Y8MG1JQ56PtqReO33inBXG63yTIikJmUXFTw6lLJwARAQABtDNCb3JpcyBPc3Ry b3Zza3kgKFdvcmspIDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbT6JAjgEEwECACIFAlH8 CgsCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEIredpCGysGyasEP/j5xApopUf4g 9Fl3UxZuBx+oduuw3JHqgbGZ2siA3EA4bKwtKq8eT7ekpApn4c0HA8TWTDtgZtLSV5IdH+9z JimBDrhLkDI3Zsx2CafL4pMJvpUavhc5mEU8myp4dWCuIylHiWG65agvUeFZYK4P33fGqoaS VGx3tsQIAr7MsQxilMfRiTEoYH0WWthhE0YVQzV6kx4wj4yLGYPPBtFqnrapKKC8yFTpgjaK jImqWhU9CSUAXdNEs/oKVR1XlkDpMCFDl88vKAuJwugnixjbPFTVPyoC7+4Bm/FnL3iwlJVE qIGQRspt09r+datFzPqSbp5Fo/9m4JSvgtPp2X2+gIGgLPWp2ft1NXHHVWP19sPgEsEJXSr9 tskM8ScxEkqAUuDs6+x/ISX8wa5Pvmo65drN+JWA8EqKOHQG6LUsUdJolFM2i4Z0k40BnFU/ kjTARjrXW94LwokVy4x+ZYgImrnKWeKac6fMfMwH2aKpCQLlVxdO4qvJkv92SzZz4538az1T m+3ekJAimou89cXwXHCFb5WqJcyjDfdQF857vTn1z4qu7udYCuuV/4xDEhslUq1+GcNDjAhB nNYPzD+SvhWEsrjuXv+fDONdJtmLUpKs4Jtak3smGGhZsqpcNv8nQzUGDQZjuCSmDqW8vn2o hWwveNeRTkxh+2x1Qb3GT46uuQINBFH8CgsBEADGC/yx5ctcLQlB9hbq7KNqCDyZNoYu1HAB Hal3MuxPfoGKObEktawQPQaSTB5vNlDxKihezLnlT/PKjcXC2R1OjSDinlu5XNGc6mnky03q yymUPyiMtWhBBftezTRxWRslPaFWlg/h/Y1iDuOcklhpr7K1h1jRPCrf1yIoxbIpDbffnuyz kuto4AahRvBU4Js4sU7f/btU+h+e0AcLVzIhTVPIz7PM+Gk2LNzZ3/on4dnEc/qd+ZZFlOQ4 KDN/hPqlwA/YJsKzAPX51L6Vv344pqTm6Z0f9M7YALB/11FO2nBB7zw7HAUYqJeHutCwxm7i BDNt0g9fhviNcJzagqJ1R7aPjtjBoYvKkbwNu5sWDpQ4idnsnck4YT6ctzN4I+6lfkU8zMzC gM2R4qqUXmxFIS4Bee+gnJi0Pc3KcBYBZsDK44FtM//5Cp9DrxRQOh19kNHBlxkmEb8kL/pw XIDcEq8MXzPBbxwHKJ3QRWRe5jPNpf8HCjnZz0XyJV0/4M1JvOua7IZftOttQ6KnM4m6WNIZ 2ydg7dBhDa6iv1oKdL7wdp/rCulVWn8R7+3cRK95SnWiJ0qKDlMbIN8oGMhHdin8cSRYdmHK kTnvSGJNlkis5a+048o0C6jI3LozQYD/W9wq7MvgChgVQw1iEOB4u/3FXDEGulRVko6xCBU4 SQARAQABiQIfBBgBAgAJBQJR/AoLAhsMAAoJEIredpCGysGyfvMQAIywR6jTqix6/fL0Ip8G jpt3uk//QNxGJE3ZkUNLX6N786vnEJvc1beCu6EwqD1ezG9fJKMl7F3SEgpYaiKEcHfoKGdh 30B3Hsq44vOoxR6zxw2B/giADjhmWTP5tWQ9548N4VhIZMYQMQCkdqaueSL+8asp8tBNP+TJ PAIIANYvJaD8xA7sYUXGTzOXDh2THWSvmEWWmzok8er/u6ZKdS1YmZkUy8cfzrll/9hiGCTj u3qcaOM6i/m4hqtvsI1cOORMVwjJF4+IkC5ZBoeRs/xW5zIBdSUoC8L+OCyj5JETWTt40+lu qoqAF/AEGsNZTrwHJYu9rbHH260C0KYCNqmxDdcROUqIzJdzDKOrDmebkEVnxVeLJBIhYZUd t3Iq9hdjpU50TA6sQ3mZxzBdfRgg+vaj2DsJqI5Xla9QGKD+xNT6v14cZuIMZzO7w0DoojM4 ByrabFsOQxGvE0w9Dch2BDSI2Xyk1zjPKxG1VNBQVx3flH37QDWpL2zlJikW29Ws86PHdthh Fm5PY8YtX576DchSP6qJC57/eAAe/9ztZdVAdesQwGb9hZHJc75B+VNm4xrh/PJO6c1THqdQ 19WVJ+7rDx3PhVncGlbAOiiiE3NOFPJ1OQYxPKtpBUukAlOTnkKE6QcA4zckFepUkfmBV1wM Jg6OxFYd01z+a+oL Message-ID: Date: Mon, 9 Sep 2019 15:19:51 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <4d3bf854-51de-99e4-9a40-a64c581bdd10@citrix.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9375 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909090194 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9375 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909090194 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/8/19 7:37 PM, Igor Druzhinin wrote: > On 09/09/2019 00:30, Boris Ostrovsky wrote: >> On 9/8/19 5:11 PM, Igor Druzhinin wrote: >>> On 08/09/2019 19:28, Boris Ostrovsky wrote: >>>> On 9/6/19 7:00 PM, Igor Druzhinin wrote: >>>>> On 06/09/2019 23:30, Boris Ostrovsky wrote: >>>>>> Where is MCFG parsed? pci_arch_init()? >>>>>>> It happens twice: >>>>> 1) first time early one in pci_arch_init() that is arch_initcall - that >>>>> time pci_mmcfg_list will be freed immediately there because MCFG area is >>>>> not reserved in E820; >>>>> 2) second time late one in acpi_init() which is subsystem_initcall right >>>>> before where PCI enumeration starts - this time ACPI tables will be >>>>> checked for a reserved resource and pci_mmcfg_list will be finally >>>>> populated. >>>>> >>>>> The problem is that on a system that doesn't have MCFG area reserved in >>>>> E820 pci_mmcfg_list is empty before acpi_init() and our PCI hooks are >>>>> called in the same place. So MCFG is still not in use by Xen at this >>>>> point since we haven't reached our xen_mcfg_late(). >>>> Would it be possible for us to parse MCFG ourselves in pci_xen_init()? I >>>> realize that we'd be doing this twice (or maybe even three times since >>>> apparently both pci_arch_init()  and acpi_ini() do it). >>>> >>> I don't thine it makes sense: >>> a) it needs to be done after ACPI is initialized since we need to parse >>> it to figure out the exact reserved region - that's why it's currently >>> done in acpi_init() (see commit message for the reasons why) >> Hmm... We should be able to parse ACPI tables by the time >> pci_arch_init() is called. In fact, if you look at >> pci_mmcfg_early_init() you will see that it does just that. >> > The point is not to parse MCFG after acpi_init but to parse DSDT for > reserved resource which could be done only after ACPI initialization. OK, I think I understand now what you are trying to do --- you are essentially trying to account for the range inserted by setup_mcfg_map(), right? The other question I have is why you think it's worth keeping xen_mcfg_late() as a late initcall. How could MCFG info be updated between acpi_init() and late_initcalls being run? I'd think it can only happen when a new device is hotplugged. -boris > >>> b) given (a) we cannot do it ourselves before acpi_init and after is too >>> late as we're already past ACPI PCI enumeration >>> c) we'd have to do it in the same place I call xen_mcfg_late() and it'd >>> be code duplication of what's already done by the existing code. >> >> If we manage to parse MCFG ourselves early then maybe we won't not need >> xen_mcfg_late()? We can call PHYSDEVOP_pci_mmcfg_reserved right away. > Again, this cannot be done untile acpi_init finishes basic setup to > parse DSDT. > > Igor 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=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,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 1C56FC4740C for ; Mon, 9 Sep 2019 19:21:37 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 E0257218AF for ; Mon, 9 Sep 2019 19:21:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="DpRBrAcC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E0257218AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i7PCs-0001Hr-LW; Mon, 09 Sep 2019 19:20:10 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i7PCr-0001Hm-Gl for xen-devel@lists.xenproject.org; Mon, 09 Sep 2019 19:20:09 +0000 X-Inumbo-ID: d43c7464-d336-11e9-ac15-12813bfff9fa Received: from aserp2120.oracle.com (unknown [141.146.126.78]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id d43c7464-d336-11e9-ac15-12813bfff9fa; Mon, 09 Sep 2019 19:20:07 +0000 (UTC) Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x89JE3sG155213; Mon, 9 Sep 2019 19:20:03 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2019-08-05; bh=AcDjSHBDWwOtcp3x3N7e8mGZD/OTVsDCuVRfV66ErGQ=; b=DpRBrAcCilLpjs4HrrgpDgnFOuX+NsemburBaLrA0/j9eoseULxbL41H9jrMe9XtfRiw i2SVYFrwheiFM2SBepWzA+awOCQEzNAlSjVA9x5e+nk4FBHU1blf3oZXIIFHoa1mTiYQ HkQ4Zd9GWtPiIqN0N/nWJjH8J/YbT+vHqIlpT3XwTt2daRQ4nQnlKDR5kjUO14ICVMxg MS914nKU3QUfnOhqWM+4Mivry3pZ5GZtYE0iWyylLYDXsMJOduIzKER1pZT+qqH6KbRM wvj/+ZzItTIHANXLBkpkTUlLcbIVK7H5OjFT2PdqMWwE75xwGf0Yirkpqh00hpzMoEH9 XQ== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 2uw1jxxhv6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 09 Sep 2019 19:20:03 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x89JIw6G110779; Mon, 9 Sep 2019 19:20:03 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 2uwpjux706-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 09 Sep 2019 19:20:03 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x89JK15x029447; Mon, 9 Sep 2019 19:20:01 GMT Received: from bostrovs-us.us.oracle.com (/10.152.32.65) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 09 Sep 2019 12:20:01 -0700 To: Igor Druzhinin , xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org References: <1567556431-9809-1-git-send-email-igor.druzhinin@citrix.com> <5054ad91-5b87-652c-873a-b31758948bd7@oracle.com> <43b7da04-5c42-80d8-898b-470ee1c91ed2@oracle.com> <1695c88d-e5ad-1854-cdef-3cd95c812574@oracle.com> <4d3bf854-51de-99e4-9a40-a64c581bdd10@citrix.com> From: Boris Ostrovsky Openpgp: preference=signencrypt Autocrypt: addr=boris.ostrovsky@oracle.com; prefer-encrypt=mutual; keydata= mQINBFH8CgsBEAC0KiOi9siOvlXatK2xX99e/J3OvApoYWjieVQ9232Eb7GzCWrItCzP8FUV PQg8rMsSd0OzIvvjbEAvaWLlbs8wa3MtVLysHY/DfqRK9Zvr/RgrsYC6ukOB7igy2PGqZd+M MDnSmVzik0sPvB6xPV7QyFsykEgpnHbvdZAUy/vyys8xgT0PVYR5hyvhyf6VIfGuvqIsvJw5 C8+P71CHI+U/IhsKrLrsiYHpAhQkw+Zvyeml6XSi5w4LXDbF+3oholKYCkPwxmGdK8MUIdkM d7iYdKqiP4W6FKQou/lC3jvOceGupEoDV9botSWEIIlKdtm6C4GfL45RD8V4B9iy24JHPlom woVWc0xBZboQguhauQqrBFooHO3roEeM1pxXjLUbDtH4t3SAI3gt4dpSyT3EvzhyNQVVIxj2 FXnIChrYxR6S0ijSqUKO0cAduenhBrpYbz9qFcB/GyxD+ZWY7OgQKHUZMWapx5bHGQ8bUZz2 SfjZwK+GETGhfkvNMf6zXbZkDq4kKB/ywaKvVPodS1Poa44+B9sxbUp1jMfFtlOJ3AYB0WDS Op3d7F2ry20CIf1Ifh0nIxkQPkTX7aX5rI92oZeu5u038dHUu/dO2EcuCjl1eDMGm5PLHDSP 0QUw5xzk1Y8MG1JQ56PtqReO33inBXG63yTIikJmUXFTw6lLJwARAQABtDNCb3JpcyBPc3Ry b3Zza3kgKFdvcmspIDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbT6JAjgEEwECACIFAlH8 CgsCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEIredpCGysGyasEP/j5xApopUf4g 9Fl3UxZuBx+oduuw3JHqgbGZ2siA3EA4bKwtKq8eT7ekpApn4c0HA8TWTDtgZtLSV5IdH+9z JimBDrhLkDI3Zsx2CafL4pMJvpUavhc5mEU8myp4dWCuIylHiWG65agvUeFZYK4P33fGqoaS VGx3tsQIAr7MsQxilMfRiTEoYH0WWthhE0YVQzV6kx4wj4yLGYPPBtFqnrapKKC8yFTpgjaK jImqWhU9CSUAXdNEs/oKVR1XlkDpMCFDl88vKAuJwugnixjbPFTVPyoC7+4Bm/FnL3iwlJVE qIGQRspt09r+datFzPqSbp5Fo/9m4JSvgtPp2X2+gIGgLPWp2ft1NXHHVWP19sPgEsEJXSr9 tskM8ScxEkqAUuDs6+x/ISX8wa5Pvmo65drN+JWA8EqKOHQG6LUsUdJolFM2i4Z0k40BnFU/ kjTARjrXW94LwokVy4x+ZYgImrnKWeKac6fMfMwH2aKpCQLlVxdO4qvJkv92SzZz4538az1T m+3ekJAimou89cXwXHCFb5WqJcyjDfdQF857vTn1z4qu7udYCuuV/4xDEhslUq1+GcNDjAhB nNYPzD+SvhWEsrjuXv+fDONdJtmLUpKs4Jtak3smGGhZsqpcNv8nQzUGDQZjuCSmDqW8vn2o hWwveNeRTkxh+2x1Qb3GT46uuQINBFH8CgsBEADGC/yx5ctcLQlB9hbq7KNqCDyZNoYu1HAB Hal3MuxPfoGKObEktawQPQaSTB5vNlDxKihezLnlT/PKjcXC2R1OjSDinlu5XNGc6mnky03q yymUPyiMtWhBBftezTRxWRslPaFWlg/h/Y1iDuOcklhpr7K1h1jRPCrf1yIoxbIpDbffnuyz kuto4AahRvBU4Js4sU7f/btU+h+e0AcLVzIhTVPIz7PM+Gk2LNzZ3/on4dnEc/qd+ZZFlOQ4 KDN/hPqlwA/YJsKzAPX51L6Vv344pqTm6Z0f9M7YALB/11FO2nBB7zw7HAUYqJeHutCwxm7i BDNt0g9fhviNcJzagqJ1R7aPjtjBoYvKkbwNu5sWDpQ4idnsnck4YT6ctzN4I+6lfkU8zMzC gM2R4qqUXmxFIS4Bee+gnJi0Pc3KcBYBZsDK44FtM//5Cp9DrxRQOh19kNHBlxkmEb8kL/pw XIDcEq8MXzPBbxwHKJ3QRWRe5jPNpf8HCjnZz0XyJV0/4M1JvOua7IZftOttQ6KnM4m6WNIZ 2ydg7dBhDa6iv1oKdL7wdp/rCulVWn8R7+3cRK95SnWiJ0qKDlMbIN8oGMhHdin8cSRYdmHK kTnvSGJNlkis5a+048o0C6jI3LozQYD/W9wq7MvgChgVQw1iEOB4u/3FXDEGulRVko6xCBU4 SQARAQABiQIfBBgBAgAJBQJR/AoLAhsMAAoJEIredpCGysGyfvMQAIywR6jTqix6/fL0Ip8G jpt3uk//QNxGJE3ZkUNLX6N786vnEJvc1beCu6EwqD1ezG9fJKMl7F3SEgpYaiKEcHfoKGdh 30B3Hsq44vOoxR6zxw2B/giADjhmWTP5tWQ9548N4VhIZMYQMQCkdqaueSL+8asp8tBNP+TJ PAIIANYvJaD8xA7sYUXGTzOXDh2THWSvmEWWmzok8er/u6ZKdS1YmZkUy8cfzrll/9hiGCTj u3qcaOM6i/m4hqtvsI1cOORMVwjJF4+IkC5ZBoeRs/xW5zIBdSUoC8L+OCyj5JETWTt40+lu qoqAF/AEGsNZTrwHJYu9rbHH260C0KYCNqmxDdcROUqIzJdzDKOrDmebkEVnxVeLJBIhYZUd t3Iq9hdjpU50TA6sQ3mZxzBdfRgg+vaj2DsJqI5Xla9QGKD+xNT6v14cZuIMZzO7w0DoojM4 ByrabFsOQxGvE0w9Dch2BDSI2Xyk1zjPKxG1VNBQVx3flH37QDWpL2zlJikW29Ws86PHdthh Fm5PY8YtX576DchSP6qJC57/eAAe/9ztZdVAdesQwGb9hZHJc75B+VNm4xrh/PJO6c1THqdQ 19WVJ+7rDx3PhVncGlbAOiiiE3NOFPJ1OQYxPKtpBUukAlOTnkKE6QcA4zckFepUkfmBV1wM Jg6OxFYd01z+a+oL Message-ID: Date: Mon, 9 Sep 2019 15:19:51 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <4d3bf854-51de-99e4-9a40-a64c581bdd10@citrix.com> Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9375 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909090194 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9375 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909090194 Subject: Re: [Xen-devel] [PATCH] xen/pci: try to reserve MCFG areas earlier X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: jgross@suse.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gOS84LzE5IDc6MzcgUE0sIElnb3IgRHJ1emhpbmluIHdyb3RlOgo+IE9uIDA5LzA5LzIwMTkg MDA6MzAsIEJvcmlzIE9zdHJvdnNreSB3cm90ZToKPj4gT24gOS84LzE5IDU6MTEgUE0sIElnb3Ig RHJ1emhpbmluIHdyb3RlOgo+Pj4gT24gMDgvMDkvMjAxOSAxOToyOCwgQm9yaXMgT3N0cm92c2t5 IHdyb3RlOgo+Pj4+IE9uIDkvNi8xOSA3OjAwIFBNLCBJZ29yIERydXpoaW5pbiB3cm90ZToKPj4+ Pj4gT24gMDYvMDkvMjAxOSAyMzozMCwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+Pj4+Pj4gV2hl cmUgaXMgTUNGRyBwYXJzZWQ/IHBjaV9hcmNoX2luaXQoKT8KPj4+Pj4+PiBJdCBoYXBwZW5zIHR3 aWNlOgo+Pj4+PiAxKSBmaXJzdCB0aW1lIGVhcmx5IG9uZSBpbiBwY2lfYXJjaF9pbml0KCkgdGhh dCBpcyBhcmNoX2luaXRjYWxsIC0gdGhhdAo+Pj4+PiB0aW1lIHBjaV9tbWNmZ19saXN0IHdpbGwg YmUgZnJlZWQgaW1tZWRpYXRlbHkgdGhlcmUgYmVjYXVzZSBNQ0ZHIGFyZWEgaXMKPj4+Pj4gbm90 IHJlc2VydmVkIGluIEU4MjA7Cj4+Pj4+IDIpIHNlY29uZCB0aW1lIGxhdGUgb25lIGluIGFjcGlf aW5pdCgpIHdoaWNoIGlzIHN1YnN5c3RlbV9pbml0Y2FsbCByaWdodAo+Pj4+PiBiZWZvcmUgd2hl cmUgUENJIGVudW1lcmF0aW9uIHN0YXJ0cyAtIHRoaXMgdGltZSBBQ1BJIHRhYmxlcyB3aWxsIGJl Cj4+Pj4+IGNoZWNrZWQgZm9yIGEgcmVzZXJ2ZWQgcmVzb3VyY2UgYW5kIHBjaV9tbWNmZ19saXN0 IHdpbGwgYmUgZmluYWxseQo+Pj4+PiBwb3B1bGF0ZWQuCj4+Pj4+Cj4+Pj4+IFRoZSBwcm9ibGVt IGlzIHRoYXQgb24gYSBzeXN0ZW0gdGhhdCBkb2Vzbid0IGhhdmUgTUNGRyBhcmVhIHJlc2VydmVk IGluCj4+Pj4+IEU4MjAgcGNpX21tY2ZnX2xpc3QgaXMgZW1wdHkgYmVmb3JlIGFjcGlfaW5pdCgp IGFuZCBvdXIgUENJIGhvb2tzIGFyZQo+Pj4+PiBjYWxsZWQgaW4gdGhlIHNhbWUgcGxhY2UuIFNv IE1DRkcgaXMgc3RpbGwgbm90IGluIHVzZSBieSBYZW4gYXQgdGhpcwo+Pj4+PiBwb2ludCBzaW5j ZSB3ZSBoYXZlbid0IHJlYWNoZWQgb3VyIHhlbl9tY2ZnX2xhdGUoKS4KPj4+PiBXb3VsZCBpdCBi ZSBwb3NzaWJsZSBmb3IgdXMgdG8gcGFyc2UgTUNGRyBvdXJzZWx2ZXMgaW4gcGNpX3hlbl9pbml0 KCk/IEkKPj4+PiByZWFsaXplIHRoYXQgd2UnZCBiZSBkb2luZyB0aGlzIHR3aWNlIChvciBtYXli ZSBldmVuIHRocmVlIHRpbWVzIHNpbmNlCj4+Pj4gYXBwYXJlbnRseSBib3RoIHBjaV9hcmNoX2lu aXQoKcKgIGFuZCBhY3BpX2luaSgpIGRvIGl0KS4KPj4+Pgo+Pj4gSSBkb24ndCB0aGluZSBpdCBt YWtlcyBzZW5zZToKPj4+IGEpIGl0IG5lZWRzIHRvIGJlIGRvbmUgYWZ0ZXIgQUNQSSBpcyBpbml0 aWFsaXplZCBzaW5jZSB3ZSBuZWVkIHRvIHBhcnNlCj4+PiBpdCB0byBmaWd1cmUgb3V0IHRoZSBl eGFjdCByZXNlcnZlZCByZWdpb24gLSB0aGF0J3Mgd2h5IGl0J3MgY3VycmVudGx5Cj4+PiBkb25l IGluIGFjcGlfaW5pdCgpIChzZWUgY29tbWl0IG1lc3NhZ2UgZm9yIHRoZSByZWFzb25zIHdoeSkK Pj4gSG1tLi4uIFdlIHNob3VsZCBiZSBhYmxlIHRvIHBhcnNlIEFDUEkgdGFibGVzIGJ5IHRoZSB0 aW1lCj4+IHBjaV9hcmNoX2luaXQoKSBpcyBjYWxsZWQuIEluIGZhY3QsIGlmIHlvdSBsb29rIGF0 Cj4+IHBjaV9tbWNmZ19lYXJseV9pbml0KCkgeW91IHdpbGwgc2VlIHRoYXQgaXQgZG9lcyBqdXN0 IHRoYXQuCj4+Cj4gVGhlIHBvaW50IGlzIG5vdCB0byBwYXJzZSBNQ0ZHIGFmdGVyIGFjcGlfaW5p dCBidXQgdG8gcGFyc2UgRFNEVCBmb3IKPiByZXNlcnZlZCByZXNvdXJjZSB3aGljaCBjb3VsZCBi ZSBkb25lIG9ubHkgYWZ0ZXIgQUNQSSBpbml0aWFsaXphdGlvbi4KCk9LLCBJIHRoaW5rIEkgdW5k ZXJzdGFuZCBub3cgd2hhdCB5b3UgYXJlIHRyeWluZyB0byBkbyAtLS0geW91IGFyZQplc3NlbnRp YWxseSB0cnlpbmcgdG8gYWNjb3VudCBmb3IgdGhlIHJhbmdlIGluc2VydGVkIGJ5CnNldHVwX21j ZmdfbWFwKCksIHJpZ2h0PwoKVGhlIG90aGVyIHF1ZXN0aW9uIEkgaGF2ZSBpcyB3aHkgeW91IHRo aW5rIGl0J3Mgd29ydGgga2VlcGluZwp4ZW5fbWNmZ19sYXRlKCkgYXMgYSBsYXRlIGluaXRjYWxs LiBIb3cgY291bGQgTUNGRyBpbmZvIGJlIHVwZGF0ZWQKYmV0d2VlbiBhY3BpX2luaXQoKSBhbmQg bGF0ZV9pbml0Y2FsbHMgYmVpbmcgcnVuPyBJJ2QgdGhpbmsgaXQgY2FuIG9ubHkKaGFwcGVuIHdo ZW4gYSBuZXcgZGV2aWNlIGlzIGhvdHBsdWdnZWQuCgotYm9yaXMKCj4KPj4+IGIpIGdpdmVuIChh KSB3ZSBjYW5ub3QgZG8gaXQgb3Vyc2VsdmVzIGJlZm9yZSBhY3BpX2luaXQgYW5kIGFmdGVyIGlz IHRvbwo+Pj4gbGF0ZSBhcyB3ZSdyZSBhbHJlYWR5IHBhc3QgQUNQSSBQQ0kgZW51bWVyYXRpb24K Pj4+IGMpIHdlJ2QgaGF2ZSB0byBkbyBpdCBpbiB0aGUgc2FtZSBwbGFjZSBJIGNhbGwgeGVuX21j ZmdfbGF0ZSgpIGFuZCBpdCdkCj4+PiBiZSBjb2RlIGR1cGxpY2F0aW9uIG9mIHdoYXQncyBhbHJl YWR5IGRvbmUgYnkgdGhlIGV4aXN0aW5nIGNvZGUuCj4+Cj4+IElmIHdlIG1hbmFnZSB0byBwYXJz ZSBNQ0ZHIG91cnNlbHZlcyBlYXJseSB0aGVuIG1heWJlIHdlIHdvbid0IG5vdCBuZWVkCj4+IHhl bl9tY2ZnX2xhdGUoKT8gV2UgY2FuIGNhbGwgUEhZU0RFVk9QX3BjaV9tbWNmZ19yZXNlcnZlZCBy aWdodCBhd2F5Lgo+IEFnYWluLCB0aGlzIGNhbm5vdCBiZSBkb25lIHVudGlsZSBhY3BpX2luaXQg ZmluaXNoZXMgYmFzaWMgc2V0dXAgdG8KPiBwYXJzZSBEU0RULgo+Cj4gSWdvcgoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJv amVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=