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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF104C433F5 for ; Sat, 15 Jan 2022 10:15:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232799AbiAOKPn (ORCPT ); Sat, 15 Jan 2022 05:15:43 -0500 Received: from mail-eopbgr120079.outbound.protection.outlook.com ([40.107.12.79]:51712 "EHLO FRA01-PR2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229530AbiAOKPl (ORCPT ); Sat, 15 Jan 2022 05:15:41 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IcmPCUUjQne6kmW5XW5aO1sgRjH04BOXW5D5Hqsof9XERJp7Xz16usAw+L4GcuTPmLu7s0mppM8zZVFQZcNtjnKFha1W7LcGJ/yrKUmj3brpjZOmBHSrKCK6DPN6mOanPsVHWOLfU8U1TXqaXFaSePZ9DvhruKidNCUuga/LY8AumlzSKf3mRkKE0utYwNiQBG+6zcsqsPg7F9aU2HvoXXhW+CZt0+CaX0m3yz9slcgV7TDA1ZqTAoWZqx8k1mQ4JRVBY8htHprl1cRqUTMf4gG5tvcMRQgfiUzdhJybJNYv21NoULG4fQCmTs/lhjCojhCjEess/Oaz6BAVfb8bXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=6dMWBJD+VqpDxlegoNPwFrxsK8eRZhdC1IH3C2PihIo=; b=UR3unDr6Ns3NOPqiPkV4GS+z1DmBgfMONd2i5arnd06rz2TNgCnIyI+vTUlo1gwfCcgp3JDDExS5eLSTKyXbeoeuG0wzpjbNwo7MWy+8FF5bRwBzDJbdynlQ3FL0SxW/zvUdOmnFMP0B3UZ0kkEK0lFeRiyEzpLvN3VASne5q9W2Mg9SM5pc3x6EnktAh0NuyMNiklqX1clK+BjG9ffGTJfrvBARN/AyV4WzVcnGLtFrKNwgcAMrli+p10+cQyRFBt9pz8/opORpcgysIVbh7dRRLCWO6IjcgyoTRqTzDBtG4I1wOcI7hpHI6dUPsFdDwh67VNakpYXgzBi2YAnyGA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=csgroup.eu; dmarc=pass action=none header.from=csgroup.eu; dkim=pass header.d=csgroup.eu; arc=none Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:31::15) by PR0P264MB2568.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:1e3::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4888.9; Sat, 15 Jan 2022 10:15:36 +0000 Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::9d4f:1090:9b36:3fc5]) by MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::9d4f:1090:9b36:3fc5%5]) with mapi id 15.20.4888.013; Sat, 15 Jan 2022 10:15:34 +0000 From: Christophe Leroy To: Dave Hansen , Kefeng Wang , Jonathan Corbet , Andrew Morton , "linuxppc-dev@lists.ozlabs.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "x86@kernel.org" , "linux-arm-kernel@lists.infradead.org" CC: Nicholas Piggin , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Matthew Wilcox Subject: Re: [PATCH v2 3/3] x86: Support huge vmalloc mappings Thread-Topic: [PATCH v2 3/3] x86: Support huge vmalloc mappings Thread-Index: AQHX+zD/hWUWAcg7A0O0lNZsb1MJ4KxGfioAgAGXoTCAG+V6AA== Date: Sat, 15 Jan 2022 10:15:34 +0000 Message-ID: <0ffb59f0-3ce9-99f3-8184-44dc2d56d57f@csgroup.eu> References: <20211227145903.187152-1-wangkefeng.wang@huawei.com> <20211227145903.187152-4-wangkefeng.wang@huawei.com> <70ff58bc-3a92-55c2-2da8-c5877af72e44@intel.com> <3858de1f-cdbc-ff52-2890-4254d0f48b0a@huawei.com> <31a75f95-6e6e-b640-2d95-08a95ea8cf51@intel.com> In-Reply-To: <31a75f95-6e6e-b640-2d95-08a95ea8cf51@intel.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=csgroup.eu; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8fd36e4b-282f-4e02-77d3-08d9d80ff7f3 x-ms-traffictypediagnostic: PR0P264MB2568:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 1CMyK7MyvBXqTh/yxDMThrBKkqJnEUXErGNgzeZcu0Scx2qRUe9BpenS3ptFq6Lb5664MB75sKoz2a/jChtxTptZ0qWvHeeWHh4HwvkAo28xYkkIBiGHbM8Or/i71EPu20csVQQzPOxC9O9cjGIKpHiulY0bnU3dFQZcf4oaf7XKWlOnyhwmnZS0xVhKRGfYnuoCfK5GPDpQ4yvBm5iwckYE02nDU6/OgGu9CUhtui1S/7+dhHexfjI/1QVhQE0lu6/fgosgwk390FNrmHJBU5IYXL+cTL5PgFsl5RWWgQ9iBqE5hSMZn9NgGTnKfZMHGy4FNLJziY+UhsfAl5y2E0eKuwJCSHKgY6kNgvyYNL306Ek7OQhb8Leg9UcNyYHmdQwsMBw+8f20alVV6WeItX9TWgb9pXQA2G7eZGUMQ8Q2XsmL2wXYifOAvYLGpxv8dps8rkTXIHstY6+4eg5XK6f5FMG1UXmx6XZPsyGPdo8gag9JES9+H7uJHbISc6VQ7oX5Svt1Q4OPUVycUUwhmRxAPbLdTsVPYgpygOc6ZjvYFYqVJXbbVzSGZGikdft5dZKAc5p+h0STOYXIImwr27/pWCuISncfBppE5hEVitqW0VzciNwFM6RHYjsGNWMNE2Snw9Z+9ieXUjbRrvSfNe5ZHvcBTUIMgSFi+h031ueDnyrSYDDA8dUlhyiflmJsv9IcWFqupFNLGa+yRPck3igB+IEGXtZK4j5JUdrwsYqp7KqJHOk2temOt3eBQyocgKtZbyzLXS+320IB0tzFlUr/W0WeFP+40ZhzrMpAX3IKMH528OANyzEkHulc+Xkj x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(4636009)(366004)(316002)(71200400001)(38070700005)(5660300002)(54906003)(122000001)(91956017)(76116006)(8936002)(83380400001)(26005)(6486002)(31696002)(186003)(6506007)(38100700002)(6512007)(66946007)(64756008)(66446008)(66556008)(66476007)(110136005)(31686004)(86362001)(44832011)(2616005)(4326008)(66574015)(921005)(36756003)(2906002)(53546011)(8676002)(508600001)(7416002)(14583001)(43740500002)(45980500001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?azZzVXFoU2xRbGpCNFVTWllpUDBnUEZyL2hkSm1jTWthaHZUQnRBUDZCdHJP?= =?utf-8?B?T1dhUUZrZVJKb3lIWWh6dWpNME5GeE5KZ3ZCeWo2MHgvQVhWSk4rVG5aZlBa?= =?utf-8?B?Qk5xVjc1WGpLc29YNVBKR24xOHNCNUU2VjVkSFBOSEFzQWV4SHZsdDNydnEr?= =?utf-8?B?SlVJWWtBeEl1Njg4SExMK2JsOGtCQWNvaXZlMXJiT1FQNW5RTUpBZUJab3Nu?= =?utf-8?B?bkRSZThicVpRSlpIalNPRmxCOE9YMyttaTZWanIrNVFjc3hUdTZyd0NCZkNV?= =?utf-8?B?OUplOFpJQjdVNkRRZGJBYjhXQjRYZ29VQWNHUHRmNjY0WVQzM1VHNHlXMlRD?= =?utf-8?B?OEY5WXU4Y1RBVjRCNWhyQ3NzUmVwRFVWamJadE1VdEZhTlhLdUloQXhIQjN2?= =?utf-8?B?ZmV1VDBucmI4bmI0WGtxeDZBdGJrSU9yd1JuRm1SL091ZzRGUW9adGZmT3NE?= =?utf-8?B?ZDBibkFaNFdodmowYWdQelVyN2lWSnFzZFZnZE9FMjIxL25ZVC9wbHVEK3R1?= =?utf-8?B?azR2NXVERTBYcHgwa2FpTWJGVldPWmV3V1BTbXNFbVNzd2syMDBDaVkyK0R6?= =?utf-8?B?Sm9lcTV0dWROc3dMVld6Y0VKRStieW52MG85KzF6K2VTcENnMWQwVWFRL3pD?= =?utf-8?B?amhUbkRxb1l2WXFZQ1dHN0JHbUJkZUJ0MkFTVzAvN0l2R2lBc2J6WWRNNDd4?= =?utf-8?B?c3BGY0RaR1BvUjFNVy8zSkc5VW1jbTNwODdITU8xaHVKQWtOZEs0UlJHcnli?= =?utf-8?B?eHFBMUJQRGhYWXJQOUJxUldLVG1hMUFlZ3ZoN1QyUE9IczQ1QlBOdHBnaEZQ?= =?utf-8?B?RkJiVnNvanVKU2g2QUMxRVFHdTU1OE91OHJIQ1paemg3Q2JMNUJnTTdOVGRr?= =?utf-8?B?emdGNXJKd1NJVm1HNXEwNDlLYTIzNmxoQW9kRk1NOEhFZ2Nnak84NTVCVSta?= =?utf-8?B?Q1dZTlNwRDZmL0RES2l4WDdkWXVKalA3Y1l3QVZxTXJ2NGpFUktEVFVDR0N0?= =?utf-8?B?dGRFQ0ladFVQNUt0Rk1qRWJyYXVmbVYyR2dPVlRuQk13dmVQOExZSDduQ3Zl?= =?utf-8?B?SnBJV2hTY1ZvMXFCRnF6K2QvWEhiRjByajN0VkY3UkJQU1cyY1ExcmlKS1dE?= =?utf-8?B?UzhPL2tyRW1ueTBnRmlJNUdJN1p3RlRQeER6SUM1T2NHK1dKNjdaVXRCTnlE?= =?utf-8?B?UUdGK0JjNnVQTG9KNWVHTWVBTWdzU0dNK2d3TnRBclFMZzlvZmpyZDZST1Y4?= =?utf-8?B?V2xtZTF3OGwrTE1HQzFLSGxrVnpSR2xIVHArZVBkUE40c1NrMERhV1MyZjIx?= =?utf-8?B?VUQvZFo5VEtYMjlnNituVHlWVU9tM2ZGd2FDWDJEcGQzemptbWtmdktGbEt0?= =?utf-8?B?dlN6MVVxaGwwM2Q2S3hrMnlqU3o2amt1SUhrWGhXZENMNHdwalNqcWxhRVli?= =?utf-8?B?R2JmcER0MFVuU3FnbGFWeFMrNkNGK2FFWmROUndiKys5UDNtSitDQUozcXgz?= =?utf-8?B?MHVzaTlrKzNKeVVPTXhuVHNwQmpzOFJVK2V2MGZrSVl5dGgxbGtkbElBQ3Mx?= =?utf-8?B?b2RlYyt5U0VCL2N3WGx6emlwd1RVNXN6VFp6cklZdjlZUWN1SVJ3aC9uRnpw?= =?utf-8?B?NDdNUVlnZTB0RFd5NjhRSFQzcHpwMzlxc2dLN3RXL3grQXdJUjFkR1c3UG5N?= =?utf-8?B?LzZRVDl2TGdZZEhhaDlTOHdUcnlQN0h1UzlYRUNhUEJuR0FseWErcTA3bnlT?= =?utf-8?B?eUMxR0VSU1JuYmxNcDJQY25uV3VjTnMvZmxPWm85VDYwdVhjL0xtbW84b3lT?= =?utf-8?B?Z2FaM1Y1cDZBUk1BakZDQTBHRG5oRXZwTDYrZlU2SmZ3NFlMVGZWTWpCRHJt?= =?utf-8?B?WUVjcFBBYWRtaTBSdEMwUkhTdHYrWGFrRkdVM3BHSXZ5b2RrMUFESjYra29U?= =?utf-8?B?Z1doV2ZXdTUxeEVZUHBMOVVxUlpZRmZPeTZWRVZud1Q0Z1BlMlhzeUx3NGJD?= =?utf-8?B?a3VFWmJOaWh4eW9qd3NmK3JZNFZQbTR3NnhLQTdqWVZVUWk3WWdYWElNcXlR?= =?utf-8?B?d3BMWXN0TEVMNlc2VzQwRTJWQy9ESWthSnI5dWx3K1JZbHVOUzhIK0x5Z2V6?= =?utf-8?B?aTlIaEc5bUsxRXQ2cG1BLzh6SFBCN2NxV0dSMXUzd2pNN1B1RG5EL1RzKzNn?= =?utf-8?B?UitLa1RQUGpwc3gxSm5xNldjb1BpRC81ZUUyV0xtODZ3cVlaamVSQXRRWEVj?= =?utf-8?Q?9zN4l56Cuce8rN9YadpwzQ0o3Fz8bi4kM7gW4oPNcE=3D?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: csgroup.eu X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 8fd36e4b-282f-4e02-77d3-08d9d80ff7f3 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jan 2022 10:15:34.4267 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9914def7-b676-4fda-8815-5d49fb3b45c8 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: QCc7Ui6qUJMVZujbfxfYbERm/omTHqEBOm9XeaaySdm4kQ6I8aEIy6ZNiviWrHun0ENGMv+vfoqPBRkQyE+xX+wQmRNnHPLAUcgQ8kryag8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR0P264MB2568 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCkxlIDI4LzEyLzIwMjEgw6AgMTc6MTQsIERhdmUgSGFuc2VuIGEgw6ljcml0wqA6DQo+IE9u IDEyLzI4LzIxIDI6MjYgQU0sIEtlZmVuZyBXYW5nIHdyb3RlOg0KPj4+PiBUaGVyZSBhcmUgc29t ZSBkaXNhZHZhbnRhZ2VzIGFib3V0IHRoaXMgZmVhdHVyZVsyXSwgb25lIG9mIHRoZSBtYWluDQo+ Pj4+IGNvbmNlcm5zIGlzIHRoZSBwb3NzaWJsZSBtZW1vcnkgZnJhZ21lbnRhdGlvbi93YXN0ZSBp biBzb21lIHNjZW5hcmlvcywNCj4+Pj4gYWxzbyBhcmNocyBtdXN0IGVuc3VyZSB0aGF0IGFueSBh cmNoIHNwZWNpZmljIHZtYWxsb2MgYWxsb2NhdGlvbnMgdGhhdA0KPj4+PiByZXF1aXJlIFBBR0Vf U0laRSBtYXBwaW5ncyhlZywgbW9kdWxlIGFsbG9jIHdpdGggU1RSSUNUX01PRFVMRV9SV1gpDQo+ Pj4+IHVzZSB0aGUgVk1fTk9fSFVHRV9WTUFQIGZsYWcgdG8gaW5oaWJpdCBsYXJnZXIgbWFwcGlu Z3MuDQo+Pj4gVGhhdCBqdXN0IHNheXMgdGhhdCB4ODYgKm5lZWRzKiBQQUdFX1NJWkUgYWxsb2Nh dGlvbnMuwqAgQnV0LCB3aGF0DQo+Pj4gaGFwcGVucyBpZiBWTV9OT19IVUdFX1ZNQVAgaXMgbm90 IHBhc3NlZCAobGlrZSBpdCB3YXMgaW4gdjEpP8KgIFdpbGwgdGhlDQo+Pj4gc3Vic2VxdWVudCBw ZXJtaXNzaW9uIGNoYW5nZXMganVzdCBmcmFnbWVudCB0aGUgMk0gbWFwcGluZz8NCj4+DQo+PiBZ ZXMsIHdpdGhvdXQgVk1fTk9fSFVHRV9WTUFQLCBpdCBjb3VsZCBmcmFnbWVudCB0aGUgMk0gbWFw cGluZy4NCj4+DQo+PiBXaGVuIG1vZHVsZSBhbGxvYyB3aXRoIFNUUklDVF9NT0RVTEVfUldYIG9u IHg4NiwgaXQgY2FsbHMNCj4+IF9fY2hhbmdlX3BhZ2VfYXR0cigpDQo+Pg0KPj4gZnJvbSBzZXRf bWVtb3J5X3JvL3J3L254IHdoaWNoIHdpbGwgc3BsaXQgbGFyZ2UgcGFnZSwgc28gdGhlcmUgaXMg bm8NCj4+IG5lZWQgdG8gbWFrZQ0KPj4NCj4+IG1vZHVsZSBhbGxvYyB3aXRoIEhVR0VfVk1BTExP Qy4NCj4gDQo+IFRoaXMgYWxsIHNvdW5kcyB2ZXJ5IGZyYWdpbGUgdG8gbWUuICBFdmVyeSB0aW1l IGEgbmV3IGFyY2hpdGVjdHVyZSB3b3VsZA0KPiBnZXQgYWRkZWQgZm9yIGh1Z2Ugdm1hbGxvYygp IHN1cHBvcnQsIHRoZSBkZXZlbG9wZXIgbmVlZHMgdG8ga25vdyB0byBnbw0KPiBmaW5kIHRoYXQg YXJjaGl0ZWN0dXJlJ3MgbW9kdWxlX2FsbG9jKCkgYW5kIGFkZCB0aGlzIGZsYWcuICBUaGV5IG5l eHQNCj4gZ3V5IGlzIGdvaW5nIHRvIGZvcmdldCwganVzdCBsaWtlIHlvdSBkaWQuDQoNClRoYXQn cyBub3QgY29ycmVjdCBmcm9tIG15IHBvaW50IG9mIHZpZXcuDQoNCldoZW4gcG93ZXJwYyBhZGRl ZCB0aGF0LCBhIGNsZWFyIGNvbW1lbnQgZXhwbGFpbnMgd2h5Og0KDQoNCisJLyoNCisJICogRG9u J3QgZG8gaHVnZSBwYWdlIGFsbG9jYXRpb25zIGZvciBtb2R1bGVzIHlldCB1bnRpbCBtb3JlIHRl c3RpbmcNCisJICogaXMgZG9uZS4gU1RSSUNUX01PRFVMRV9SV1ggbWF5IHJlcXVpcmUgZXh0cmEg d29yayB0byBzdXBwb3J0IHRoaXMNCisJICogdG9vLg0KKwkgKi8NCg0KU28gYXMgeW91IGNhbiBz ZWUsIHRoaXMgaXMgc29tZXRoaW5nIHNwZWNpZmljIHRvIHBvd2VycGMgYW5kIHRlbXBvcmFyeS4N Cg0KPiANCj4gQ29uc2lkZXJpbmcgdGhhdCB0aGlzIGlzIG5vdCBhIGhvdCBwYXRoLCBhIHdlYWsg ZnVuY3Rpb24gd291bGQgYmUgYSBuaWNlDQo+IGNob2ljZToNCj4gDQo+IC8qIHZtYWxsb2MoKSBm bGFncyB1c2VkIGZvciBhbGwgbW9kdWxlIGFsbG9jYXRpb25zLiAqLw0KPiB1bnNpZ25lZCBsb25n IF9fd2VhayBhcmNoX21vZHVsZV92bV9mbGFncygpDQo+IHsNCj4gCS8qDQo+IAkgKiBNb2R1bGVz IHVzZSBhIHNpbmdsZSwgbGFyZ2Ugdm1hbGxvYygpLiAgRGlmZmVyZW50DQo+IAkgKiBwZXJtaXNz aW9ucyBhcmUgYXBwbGllZCBsYXRlciBhbmQgd2lsbCBmcmFnbWVudA0KPiAJICogaHVnZSBtYXBw aW5ncy4gIEF2b2lkIHVzaW5nIGh1Z2UgcGFnZXMgZm9yIG1vZHVsZXMuDQo+IAkgKi8NCg0KV2h5 ID8gTm90IGV2ZXJ5Ym9keSB1c2UgU1RSSUNUX01PRFVMRVNfUldYLg0KRXZlbiBpZiB5b3UgZG8g c28sIHlvdSBjYW4gc3RpbGwgYmVuZWZpdCBmcm9tIGh1Z2UgcGFnZXMgZm9yIG1vZHVsZXMuDQoN CldoeSBtYWtlIHdoYXQgd2FzIGluaXRpYWxseSBhIHRlbXBvcmFyeSBwcmVjYXV0aW9uIGZvciBw b3dlcnBjIGJlY29tZSBhIA0KZGVmaW5pdGl2ZSBkZWZhdWx0IGxpbWl0YXRpb24gZm9yIGFsbCA/ DQoNCj4gCXJldHVybiBWTV9OT19IVUdFX1ZNQVA7DQo+IH0NCj4gDQo+IFN0aWNrIHRoYXQgaW4g c29tZSB0aGUgY29tbW9uIG1vZHVsZSBjb2RlLCBuZXh0IHRvOg0KPiANCj4+IHZvaWQgKiBfX3dl YWsgbW9kdWxlX2FsbG9jKHVuc2lnbmVkIGxvbmcgc2l6ZSkNCj4+IHsNCj4+ICAgICAgICAgIHJl dHVybiBfX3ZtYWxsb2Nfbm9kZV9yYW5nZShzaXplLCAxLCBWTUFMTE9DX1NUQVJULCBWTUFMTE9D X0VORCwNCj4gLi4uDQo+IA0KPiBUaGVuLCBwdXQgYXJjaF9tb2R1bGVfdm1fZmxhZ3MoKSBpbiAq YWxsKiBvZiB0aGUgbW9kdWxlX2FsbG9jKCkNCj4gaW1wbGVtZW50YXRpb25zLCBpbmNsdWRpbmcg dGhlIGdlbmVyaWMgb25lLiAgVGhhdCB3YXkgKGV2ZW4gd2l0aCBhIG5ldw0KPiBhcmNoaXRlY3R1 cmUpIHdob2V2ZXIgY29waWVzLWFuZC1wYXN0ZXMgdGhlaXIgbW9kdWxlX2FsbG9jKCkNCj4gaW1w bGVtZW50YXRpb24gaXMgbGlrZWx5IHRvIGdldCBpdCByaWdodC4gIFRoZSBuZXh0IGd1eSB3aG8g anVzdCBkb2VzIGENCj4gInNlbGVjdCBIQVZFX0FSQ0hfSFVHRV9WTUFMTE9DIiB3aWxsIGhvcGVm dWxseSBqdXN0IHdvcmsuDQo+IA0KPiBWTV9GTFVTSF9SRVNFVF9QRVJNUyBjb3VsZCBwcm9iYWJs eSBiZSBkZWFsdCB3aXRoIGluIHRoZSBzYW1lIHdheS4= 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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AFD99C433EF for ; Sat, 15 Jan 2022 10:16:29 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4JbYwq66qNz3cB1 for ; Sat, 15 Jan 2022 21:16:27 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=2a01:111:f400:7e18::61c; helo=fra01-pr2-obe.outbound.protection.outlook.com; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from FRA01-PR2-obe.outbound.protection.outlook.com (mail-pr2fra01on061c.outbound.protection.outlook.com [IPv6:2a01:111:f400:7e18::61c]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4JbYwG2Sdgz2y7J for ; Sat, 15 Jan 2022 21:15:56 +1100 (AEDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IcmPCUUjQne6kmW5XW5aO1sgRjH04BOXW5D5Hqsof9XERJp7Xz16usAw+L4GcuTPmLu7s0mppM8zZVFQZcNtjnKFha1W7LcGJ/yrKUmj3brpjZOmBHSrKCK6DPN6mOanPsVHWOLfU8U1TXqaXFaSePZ9DvhruKidNCUuga/LY8AumlzSKf3mRkKE0utYwNiQBG+6zcsqsPg7F9aU2HvoXXhW+CZt0+CaX0m3yz9slcgV7TDA1ZqTAoWZqx8k1mQ4JRVBY8htHprl1cRqUTMf4gG5tvcMRQgfiUzdhJybJNYv21NoULG4fQCmTs/lhjCojhCjEess/Oaz6BAVfb8bXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=6dMWBJD+VqpDxlegoNPwFrxsK8eRZhdC1IH3C2PihIo=; b=UR3unDr6Ns3NOPqiPkV4GS+z1DmBgfMONd2i5arnd06rz2TNgCnIyI+vTUlo1gwfCcgp3JDDExS5eLSTKyXbeoeuG0wzpjbNwo7MWy+8FF5bRwBzDJbdynlQ3FL0SxW/zvUdOmnFMP0B3UZ0kkEK0lFeRiyEzpLvN3VASne5q9W2Mg9SM5pc3x6EnktAh0NuyMNiklqX1clK+BjG9ffGTJfrvBARN/AyV4WzVcnGLtFrKNwgcAMrli+p10+cQyRFBt9pz8/opORpcgysIVbh7dRRLCWO6IjcgyoTRqTzDBtG4I1wOcI7hpHI6dUPsFdDwh67VNakpYXgzBi2YAnyGA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=csgroup.eu; dmarc=pass action=none header.from=csgroup.eu; dkim=pass header.d=csgroup.eu; arc=none Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:31::15) by PR0P264MB2568.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:1e3::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4888.9; Sat, 15 Jan 2022 10:15:36 +0000 Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::9d4f:1090:9b36:3fc5]) by MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::9d4f:1090:9b36:3fc5%5]) with mapi id 15.20.4888.013; Sat, 15 Jan 2022 10:15:34 +0000 From: Christophe Leroy To: Dave Hansen , Kefeng Wang , Jonathan Corbet , Andrew Morton , "linuxppc-dev@lists.ozlabs.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "x86@kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v2 3/3] x86: Support huge vmalloc mappings Thread-Topic: [PATCH v2 3/3] x86: Support huge vmalloc mappings Thread-Index: AQHX+zD/hWUWAcg7A0O0lNZsb1MJ4KxGfioAgAGXoTCAG+V6AA== Date: Sat, 15 Jan 2022 10:15:34 +0000 Message-ID: <0ffb59f0-3ce9-99f3-8184-44dc2d56d57f@csgroup.eu> References: <20211227145903.187152-1-wangkefeng.wang@huawei.com> <20211227145903.187152-4-wangkefeng.wang@huawei.com> <70ff58bc-3a92-55c2-2da8-c5877af72e44@intel.com> <3858de1f-cdbc-ff52-2890-4254d0f48b0a@huawei.com> <31a75f95-6e6e-b640-2d95-08a95ea8cf51@intel.com> In-Reply-To: <31a75f95-6e6e-b640-2d95-08a95ea8cf51@intel.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=csgroup.eu; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8fd36e4b-282f-4e02-77d3-08d9d80ff7f3 x-ms-traffictypediagnostic: PR0P264MB2568:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM; PTR:; CAT:NONE; SFS:(4636009)(366004)(316002)(71200400001)(38070700005)(5660300002)(54906003)(122000001)(91956017)(76116006)(8936002)(83380400001)(26005)(6486002)(31696002)(186003)(6506007)(38100700002)(6512007)(66946007)(64756008)(66446008)(66556008)(66476007)(110136005)(31686004)(86362001)(44832011)(2616005)(4326008)(66574015)(921005)(36756003)(2906002)(53546011)(8676002)(508600001)(7416002)(14583001)(43740500002)(45980500001); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?azZzVXFoU2xRbGpCNFVTWllpUDBnUEZyL2hkSm1jTWthaHZUQnRBUDZCdHJP?= =?utf-8?B?T1dhUUZrZVJKb3lIWWh6dWpNME5GeE5KZ3ZCeWo2MHgvQVhWSk4rVG5aZlBa?= =?utf-8?B?Qk5xVjc1WGpLc29YNVBKR24xOHNCNUU2VjVkSFBOSEFzQWV4SHZsdDNydnEr?= =?utf-8?B?SlVJWWtBeEl1Njg4SExMK2JsOGtCQWNvaXZlMXJiT1FQNW5RTUpBZUJab3Nu?= =?utf-8?B?bkRSZThicVpRSlpIalNPRmxCOE9YMyttaTZWanIrNVFjc3hUdTZyd0NCZkNV?= =?utf-8?B?OUplOFpJQjdVNkRRZGJBYjhXQjRYZ29VQWNHUHRmNjY0WVQzM1VHNHlXMlRD?= =?utf-8?B?OEY5WXU4Y1RBVjRCNWhyQ3NzUmVwRFVWamJadE1VdEZhTlhLdUloQXhIQjN2?= =?utf-8?B?ZmV1VDBucmI4bmI0WGtxeDZBdGJrSU9yd1JuRm1SL091ZzRGUW9adGZmT3NE?= =?utf-8?B?ZDBibkFaNFdodmowYWdQelVyN2lWSnFzZFZnZE9FMjIxL25ZVC9wbHVEK3R1?= =?utf-8?B?azR2NXVERTBYcHgwa2FpTWJGVldPWmV3V1BTbXNFbVNzd2syMDBDaVkyK0R6?= =?utf-8?B?Sm9lcTV0dWROc3dMVld6Y0VKRStieW52MG85KzF6K2VTcENnMWQwVWFRL3pD?= =?utf-8?B?amhUbkRxb1l2WXFZQ1dHN0JHbUJkZUJ0MkFTVzAvN0l2R2lBc2J6WWRNNDd4?= =?utf-8?B?c3BGY0RaR1BvUjFNVy8zSkc5VW1jbTNwODdITU8xaHVKQWtOZEs0UlJHcnli?= =?utf-8?B?eHFBMUJQRGhYWXJQOUJxUldLVG1hMUFlZ3ZoN1QyUE9IczQ1QlBOdHBnaEZQ?= =?utf-8?B?RkJiVnNvanVKU2g2QUMxRVFHdTU1OE91OHJIQ1paemg3Q2JMNUJnTTdOVGRr?= =?utf-8?B?emdGNXJKd1NJVm1HNXEwNDlLYTIzNmxoQW9kRk1NOEhFZ2Nnak84NTVCVSta?= =?utf-8?B?Q1dZTlNwRDZmL0RES2l4WDdkWXVKalA3Y1l3QVZxTXJ2NGpFUktEVFVDR0N0?= =?utf-8?B?dGRFQ0ladFVQNUt0Rk1qRWJyYXVmbVYyR2dPVlRuQk13dmVQOExZSDduQ3Zl?= =?utf-8?B?SnBJV2hTY1ZvMXFCRnF6K2QvWEhiRjByajN0VkY3UkJQU1cyY1ExcmlKS1dE?= =?utf-8?B?UzhPL2tyRW1ueTBnRmlJNUdJN1p3RlRQeER6SUM1T2NHK1dKNjdaVXRCTnlE?= =?utf-8?B?UUdGK0JjNnVQTG9KNWVHTWVBTWdzU0dNK2d3TnRBclFMZzlvZmpyZDZST1Y4?= =?utf-8?B?V2xtZTF3OGwrTE1HQzFLSGxrVnpSR2xIVHArZVBkUE40c1NrMERhV1MyZjIx?= =?utf-8?B?VUQvZFo5VEtYMjlnNituVHlWVU9tM2ZGd2FDWDJEcGQzemptbWtmdktGbEt0?= =?utf-8?B?dlN6MVVxaGwwM2Q2S3hrMnlqU3o2amt1SUhrWGhXZENMNHdwalNqcWxhRVli?= =?utf-8?B?R2JmcER0MFVuU3FnbGFWeFMrNkNGK2FFWmROUndiKys5UDNtSitDQUozcXgz?= =?utf-8?B?MHVzaTlrKzNKeVVPTXhuVHNwQmpzOFJVK2V2MGZrSVl5dGgxbGtkbElBQ3Mx?= =?utf-8?B?b2RlYyt5U0VCL2N3WGx6emlwd1RVNXN6VFp6cklZdjlZUWN1SVJ3aC9uRnpw?= =?utf-8?B?NDdNUVlnZTB0RFd5NjhRSFQzcHpwMzlxc2dLN3RXL3grQXdJUjFkR1c3UG5N?= =?utf-8?B?LzZRVDl2TGdZZEhhaDlTOHdUcnlQN0h1UzlYRUNhUEJuR0FseWErcTA3bnlT?= =?utf-8?B?eUMxR0VSU1JuYmxNcDJQY25uV3VjTnMvZmxPWm85VDYwdVhjL0xtbW84b3lT?= =?utf-8?B?Z2FaM1Y1cDZBUk1BakZDQTBHRG5oRXZwTDYrZlU2SmZ3NFlMVGZWTWpCRHJt?= =?utf-8?B?WUVjcFBBYWRtaTBSdEMwUkhTdHYrWGFrRkdVM3BHSXZ5b2RrMUFESjYra29U?= =?utf-8?B?Z1doV2ZXdTUxeEVZUHBMOVVxUlpZRmZPeTZWRVZud1Q0Z1BlMlhzeUx3NGJD?= =?utf-8?B?a3VFWmJOaWh4eW9qd3NmK3JZNFZQbTR3NnhLQTdqWVZVUWk3WWdYWElNcXlR?= =?utf-8?B?d3BMWXN0TEVMNlc2VzQwRTJWQy9ESWthSnI5dWx3K1JZbHVOUzhIK0x5Z2V6?= =?utf-8?B?aTlIaEc5bUsxRXQ2cG1BLzh6SFBCN2NxV0dSMXUzd2pNN1B1RG5EL1RzKzNn?= =?utf-8?B?UitLa1RQUGpwc3gxSm5xNldjb1BpRC81ZUUyV0xtODZ3cVlaamVSQXRRWEVj?= =?utf-8?Q?9zN4l56Cuce8rN9YadpwzQ0o3Fz8bi4kM7gW4oPNcE=3D?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: csgroup.eu X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 8fd36e4b-282f-4e02-77d3-08d9d80ff7f3 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jan 2022 10:15:34.4267 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9914def7-b676-4fda-8815-5d49fb3b45c8 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: QCc7Ui6qUJMVZujbfxfYbERm/omTHqEBOm9XeaaySdm4kQ6I8aEIy6ZNiviWrHun0ENGMv+vfoqPBRkQyE+xX+wQmRNnHPLAUcgQ8kryag8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR0P264MB2568 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Matthew Wilcox , Catalin Marinas , Dave Hansen , Nicholas Piggin , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Paul Mackerras , Thomas Gleixner , Will Deacon Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" DQoNCkxlIDI4LzEyLzIwMjEgw6AgMTc6MTQsIERhdmUgSGFuc2VuIGEgw6ljcml0wqA6DQo+IE9u IDEyLzI4LzIxIDI6MjYgQU0sIEtlZmVuZyBXYW5nIHdyb3RlOg0KPj4+PiBUaGVyZSBhcmUgc29t ZSBkaXNhZHZhbnRhZ2VzIGFib3V0IHRoaXMgZmVhdHVyZVsyXSwgb25lIG9mIHRoZSBtYWluDQo+ Pj4+IGNvbmNlcm5zIGlzIHRoZSBwb3NzaWJsZSBtZW1vcnkgZnJhZ21lbnRhdGlvbi93YXN0ZSBp biBzb21lIHNjZW5hcmlvcywNCj4+Pj4gYWxzbyBhcmNocyBtdXN0IGVuc3VyZSB0aGF0IGFueSBh cmNoIHNwZWNpZmljIHZtYWxsb2MgYWxsb2NhdGlvbnMgdGhhdA0KPj4+PiByZXF1aXJlIFBBR0Vf U0laRSBtYXBwaW5ncyhlZywgbW9kdWxlIGFsbG9jIHdpdGggU1RSSUNUX01PRFVMRV9SV1gpDQo+ Pj4+IHVzZSB0aGUgVk1fTk9fSFVHRV9WTUFQIGZsYWcgdG8gaW5oaWJpdCBsYXJnZXIgbWFwcGlu Z3MuDQo+Pj4gVGhhdCBqdXN0IHNheXMgdGhhdCB4ODYgKm5lZWRzKiBQQUdFX1NJWkUgYWxsb2Nh dGlvbnMuwqAgQnV0LCB3aGF0DQo+Pj4gaGFwcGVucyBpZiBWTV9OT19IVUdFX1ZNQVAgaXMgbm90 IHBhc3NlZCAobGlrZSBpdCB3YXMgaW4gdjEpP8KgIFdpbGwgdGhlDQo+Pj4gc3Vic2VxdWVudCBw ZXJtaXNzaW9uIGNoYW5nZXMganVzdCBmcmFnbWVudCB0aGUgMk0gbWFwcGluZz8NCj4+DQo+PiBZ ZXMsIHdpdGhvdXQgVk1fTk9fSFVHRV9WTUFQLCBpdCBjb3VsZCBmcmFnbWVudCB0aGUgMk0gbWFw cGluZy4NCj4+DQo+PiBXaGVuIG1vZHVsZSBhbGxvYyB3aXRoIFNUUklDVF9NT0RVTEVfUldYIG9u IHg4NiwgaXQgY2FsbHMNCj4+IF9fY2hhbmdlX3BhZ2VfYXR0cigpDQo+Pg0KPj4gZnJvbSBzZXRf bWVtb3J5X3JvL3J3L254IHdoaWNoIHdpbGwgc3BsaXQgbGFyZ2UgcGFnZSwgc28gdGhlcmUgaXMg bm8NCj4+IG5lZWQgdG8gbWFrZQ0KPj4NCj4+IG1vZHVsZSBhbGxvYyB3aXRoIEhVR0VfVk1BTExP Qy4NCj4gDQo+IFRoaXMgYWxsIHNvdW5kcyB2ZXJ5IGZyYWdpbGUgdG8gbWUuICBFdmVyeSB0aW1l IGEgbmV3IGFyY2hpdGVjdHVyZSB3b3VsZA0KPiBnZXQgYWRkZWQgZm9yIGh1Z2Ugdm1hbGxvYygp IHN1cHBvcnQsIHRoZSBkZXZlbG9wZXIgbmVlZHMgdG8ga25vdyB0byBnbw0KPiBmaW5kIHRoYXQg YXJjaGl0ZWN0dXJlJ3MgbW9kdWxlX2FsbG9jKCkgYW5kIGFkZCB0aGlzIGZsYWcuICBUaGV5IG5l eHQNCj4gZ3V5IGlzIGdvaW5nIHRvIGZvcmdldCwganVzdCBsaWtlIHlvdSBkaWQuDQoNClRoYXQn cyBub3QgY29ycmVjdCBmcm9tIG15IHBvaW50IG9mIHZpZXcuDQoNCldoZW4gcG93ZXJwYyBhZGRl ZCB0aGF0LCBhIGNsZWFyIGNvbW1lbnQgZXhwbGFpbnMgd2h5Og0KDQoNCisJLyoNCisJICogRG9u J3QgZG8gaHVnZSBwYWdlIGFsbG9jYXRpb25zIGZvciBtb2R1bGVzIHlldCB1bnRpbCBtb3JlIHRl c3RpbmcNCisJICogaXMgZG9uZS4gU1RSSUNUX01PRFVMRV9SV1ggbWF5IHJlcXVpcmUgZXh0cmEg d29yayB0byBzdXBwb3J0IHRoaXMNCisJICogdG9vLg0KKwkgKi8NCg0KU28gYXMgeW91IGNhbiBz ZWUsIHRoaXMgaXMgc29tZXRoaW5nIHNwZWNpZmljIHRvIHBvd2VycGMgYW5kIHRlbXBvcmFyeS4N Cg0KPiANCj4gQ29uc2lkZXJpbmcgdGhhdCB0aGlzIGlzIG5vdCBhIGhvdCBwYXRoLCBhIHdlYWsg ZnVuY3Rpb24gd291bGQgYmUgYSBuaWNlDQo+IGNob2ljZToNCj4gDQo+IC8qIHZtYWxsb2MoKSBm bGFncyB1c2VkIGZvciBhbGwgbW9kdWxlIGFsbG9jYXRpb25zLiAqLw0KPiB1bnNpZ25lZCBsb25n IF9fd2VhayBhcmNoX21vZHVsZV92bV9mbGFncygpDQo+IHsNCj4gCS8qDQo+IAkgKiBNb2R1bGVz IHVzZSBhIHNpbmdsZSwgbGFyZ2Ugdm1hbGxvYygpLiAgRGlmZmVyZW50DQo+IAkgKiBwZXJtaXNz aW9ucyBhcmUgYXBwbGllZCBsYXRlciBhbmQgd2lsbCBmcmFnbWVudA0KPiAJICogaHVnZSBtYXBw aW5ncy4gIEF2b2lkIHVzaW5nIGh1Z2UgcGFnZXMgZm9yIG1vZHVsZXMuDQo+IAkgKi8NCg0KV2h5 ID8gTm90IGV2ZXJ5Ym9keSB1c2UgU1RSSUNUX01PRFVMRVNfUldYLg0KRXZlbiBpZiB5b3UgZG8g c28sIHlvdSBjYW4gc3RpbGwgYmVuZWZpdCBmcm9tIGh1Z2UgcGFnZXMgZm9yIG1vZHVsZXMuDQoN CldoeSBtYWtlIHdoYXQgd2FzIGluaXRpYWxseSBhIHRlbXBvcmFyeSBwcmVjYXV0aW9uIGZvciBw b3dlcnBjIGJlY29tZSBhIA0KZGVmaW5pdGl2ZSBkZWZhdWx0IGxpbWl0YXRpb24gZm9yIGFsbCA/ DQoNCj4gCXJldHVybiBWTV9OT19IVUdFX1ZNQVA7DQo+IH0NCj4gDQo+IFN0aWNrIHRoYXQgaW4g c29tZSB0aGUgY29tbW9uIG1vZHVsZSBjb2RlLCBuZXh0IHRvOg0KPiANCj4+IHZvaWQgKiBfX3dl YWsgbW9kdWxlX2FsbG9jKHVuc2lnbmVkIGxvbmcgc2l6ZSkNCj4+IHsNCj4+ICAgICAgICAgIHJl dHVybiBfX3ZtYWxsb2Nfbm9kZV9yYW5nZShzaXplLCAxLCBWTUFMTE9DX1NUQVJULCBWTUFMTE9D X0VORCwNCj4gLi4uDQo+IA0KPiBUaGVuLCBwdXQgYXJjaF9tb2R1bGVfdm1fZmxhZ3MoKSBpbiAq YWxsKiBvZiB0aGUgbW9kdWxlX2FsbG9jKCkNCj4gaW1wbGVtZW50YXRpb25zLCBpbmNsdWRpbmcg dGhlIGdlbmVyaWMgb25lLiAgVGhhdCB3YXkgKGV2ZW4gd2l0aCBhIG5ldw0KPiBhcmNoaXRlY3R1 cmUpIHdob2V2ZXIgY29waWVzLWFuZC1wYXN0ZXMgdGhlaXIgbW9kdWxlX2FsbG9jKCkNCj4gaW1w bGVtZW50YXRpb24gaXMgbGlrZWx5IHRvIGdldCBpdCByaWdodC4gIFRoZSBuZXh0IGd1eSB3aG8g anVzdCBkb2VzIGENCj4gInNlbGVjdCBIQVZFX0FSQ0hfSFVHRV9WTUFMTE9DIiB3aWxsIGhvcGVm dWxseSBqdXN0IHdvcmsuDQo+IA0KPiBWTV9GTFVTSF9SRVNFVF9QRVJNUyBjb3VsZCBwcm9iYWJs eSBiZSBkZWFsdCB3aXRoIGluIHRoZSBzYW1lIHdheS4= 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AC003C433F5 for ; Sat, 15 Jan 2022 10:17:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-ID:In-Reply-To: References:Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NLIuV0A3mUMKWl04u7gQqtU/PLOThsDlS8L9dfOPBKA=; b=GkX21k+onMnSZH 2w4S7X5hd3hCG56cetY5atsFh0cRq+QoIiq5jBBb1A8Ze+r6GlfAx5vd+JBtyXZ85QEkZu8nXYKui tb+0UDmvfT+iKxrcOti5iydHlOnOzlJaLpBtqdytkWdxuva//r3JHKWXkVG84M+e4i57foJ2ApEmp 8ZlhyOfzKH+PAfEqesazqfvDnCvKct7qDPSZZfp72jusnRAEn5m4PoOnR9jC9CSaHTbst8o6uSJ4s tzYKgGk5f/SImsPRf4L6/yrXTQmjBlR1Fs0XiitjoRojFMlGIFYp8+cQKHRTnDuTf5lirn3mOe/4X 8NzhzI1yijy+zpek4Xfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n8g63-00AvdC-VD; Sat, 15 Jan 2022 10:15:44 +0000 Received: from mail-pr2fra01on060f.outbound.protection.outlook.com ([2a01:111:f400:7e18::60f] helo=FRA01-PR2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n8g60-00Avbj-57 for linux-arm-kernel@lists.infradead.org; Sat, 15 Jan 2022 10:15:41 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IcmPCUUjQne6kmW5XW5aO1sgRjH04BOXW5D5Hqsof9XERJp7Xz16usAw+L4GcuTPmLu7s0mppM8zZVFQZcNtjnKFha1W7LcGJ/yrKUmj3brpjZOmBHSrKCK6DPN6mOanPsVHWOLfU8U1TXqaXFaSePZ9DvhruKidNCUuga/LY8AumlzSKf3mRkKE0utYwNiQBG+6zcsqsPg7F9aU2HvoXXhW+CZt0+CaX0m3yz9slcgV7TDA1ZqTAoWZqx8k1mQ4JRVBY8htHprl1cRqUTMf4gG5tvcMRQgfiUzdhJybJNYv21NoULG4fQCmTs/lhjCojhCjEess/Oaz6BAVfb8bXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=6dMWBJD+VqpDxlegoNPwFrxsK8eRZhdC1IH3C2PihIo=; b=UR3unDr6Ns3NOPqiPkV4GS+z1DmBgfMONd2i5arnd06rz2TNgCnIyI+vTUlo1gwfCcgp3JDDExS5eLSTKyXbeoeuG0wzpjbNwo7MWy+8FF5bRwBzDJbdynlQ3FL0SxW/zvUdOmnFMP0B3UZ0kkEK0lFeRiyEzpLvN3VASne5q9W2Mg9SM5pc3x6EnktAh0NuyMNiklqX1clK+BjG9ffGTJfrvBARN/AyV4WzVcnGLtFrKNwgcAMrli+p10+cQyRFBt9pz8/opORpcgysIVbh7dRRLCWO6IjcgyoTRqTzDBtG4I1wOcI7hpHI6dUPsFdDwh67VNakpYXgzBi2YAnyGA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=csgroup.eu; dmarc=pass action=none header.from=csgroup.eu; dkim=pass header.d=csgroup.eu; arc=none Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:31::15) by PR0P264MB2568.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:1e3::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4888.9; Sat, 15 Jan 2022 10:15:36 +0000 Received: from MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::9d4f:1090:9b36:3fc5]) by MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM ([fe80::9d4f:1090:9b36:3fc5%5]) with mapi id 15.20.4888.013; Sat, 15 Jan 2022 10:15:34 +0000 From: Christophe Leroy To: Dave Hansen , Kefeng Wang , Jonathan Corbet , Andrew Morton , "linuxppc-dev@lists.ozlabs.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "x86@kernel.org" , "linux-arm-kernel@lists.infradead.org" CC: Nicholas Piggin , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Matthew Wilcox Subject: Re: [PATCH v2 3/3] x86: Support huge vmalloc mappings Thread-Topic: [PATCH v2 3/3] x86: Support huge vmalloc mappings Thread-Index: AQHX+zD/hWUWAcg7A0O0lNZsb1MJ4KxGfioAgAGXoTCAG+V6AA== Date: Sat, 15 Jan 2022 10:15:34 +0000 Message-ID: <0ffb59f0-3ce9-99f3-8184-44dc2d56d57f@csgroup.eu> References: <20211227145903.187152-1-wangkefeng.wang@huawei.com> <20211227145903.187152-4-wangkefeng.wang@huawei.com> <70ff58bc-3a92-55c2-2da8-c5877af72e44@intel.com> <3858de1f-cdbc-ff52-2890-4254d0f48b0a@huawei.com> <31a75f95-6e6e-b640-2d95-08a95ea8cf51@intel.com> In-Reply-To: <31a75f95-6e6e-b640-2d95-08a95ea8cf51@intel.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=csgroup.eu; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8fd36e4b-282f-4e02-77d3-08d9d80ff7f3 x-ms-traffictypediagnostic: PR0P264MB2568:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM; PTR:; CAT:NONE; SFS:(4636009)(366004)(316002)(71200400001)(38070700005)(5660300002)(54906003)(122000001)(91956017)(76116006)(8936002)(83380400001)(26005)(6486002)(31696002)(186003)(6506007)(38100700002)(6512007)(66946007)(64756008)(66446008)(66556008)(66476007)(110136005)(31686004)(86362001)(44832011)(2616005)(4326008)(66574015)(921005)(36756003)(2906002)(53546011)(8676002)(508600001)(7416002)(14583001)(43740500002)(45980500001); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?azZzVXFoU2xRbGpCNFVTWllpUDBnUEZyL2hkSm1jTWthaHZUQnRBUDZCdHJP?= =?utf-8?B?T1dhUUZrZVJKb3lIWWh6dWpNME5GeE5KZ3ZCeWo2MHgvQVhWSk4rVG5aZlBa?= =?utf-8?B?Qk5xVjc1WGpLc29YNVBKR24xOHNCNUU2VjVkSFBOSEFzQWV4SHZsdDNydnEr?= =?utf-8?B?SlVJWWtBeEl1Njg4SExMK2JsOGtCQWNvaXZlMXJiT1FQNW5RTUpBZUJab3Nu?= =?utf-8?B?bkRSZThicVpRSlpIalNPRmxCOE9YMyttaTZWanIrNVFjc3hUdTZyd0NCZkNV?= =?utf-8?B?OUplOFpJQjdVNkRRZGJBYjhXQjRYZ29VQWNHUHRmNjY0WVQzM1VHNHlXMlRD?= =?utf-8?B?OEY5WXU4Y1RBVjRCNWhyQ3NzUmVwRFVWamJadE1VdEZhTlhLdUloQXhIQjN2?= =?utf-8?B?ZmV1VDBucmI4bmI0WGtxeDZBdGJrSU9yd1JuRm1SL091ZzRGUW9adGZmT3NE?= =?utf-8?B?ZDBibkFaNFdodmowYWdQelVyN2lWSnFzZFZnZE9FMjIxL25ZVC9wbHVEK3R1?= =?utf-8?B?azR2NXVERTBYcHgwa2FpTWJGVldPWmV3V1BTbXNFbVNzd2syMDBDaVkyK0R6?= =?utf-8?B?Sm9lcTV0dWROc3dMVld6Y0VKRStieW52MG85KzF6K2VTcENnMWQwVWFRL3pD?= =?utf-8?B?amhUbkRxb1l2WXFZQ1dHN0JHbUJkZUJ0MkFTVzAvN0l2R2lBc2J6WWRNNDd4?= =?utf-8?B?c3BGY0RaR1BvUjFNVy8zSkc5VW1jbTNwODdITU8xaHVKQWtOZEs0UlJHcnli?= =?utf-8?B?eHFBMUJQRGhYWXJQOUJxUldLVG1hMUFlZ3ZoN1QyUE9IczQ1QlBOdHBnaEZQ?= =?utf-8?B?RkJiVnNvanVKU2g2QUMxRVFHdTU1OE91OHJIQ1paemg3Q2JMNUJnTTdOVGRr?= =?utf-8?B?emdGNXJKd1NJVm1HNXEwNDlLYTIzNmxoQW9kRk1NOEhFZ2Nnak84NTVCVSta?= =?utf-8?B?Q1dZTlNwRDZmL0RES2l4WDdkWXVKalA3Y1l3QVZxTXJ2NGpFUktEVFVDR0N0?= =?utf-8?B?dGRFQ0ladFVQNUt0Rk1qRWJyYXVmbVYyR2dPVlRuQk13dmVQOExZSDduQ3Zl?= =?utf-8?B?SnBJV2hTY1ZvMXFCRnF6K2QvWEhiRjByajN0VkY3UkJQU1cyY1ExcmlKS1dE?= =?utf-8?B?UzhPL2tyRW1ueTBnRmlJNUdJN1p3RlRQeER6SUM1T2NHK1dKNjdaVXRCTnlE?= =?utf-8?B?UUdGK0JjNnVQTG9KNWVHTWVBTWdzU0dNK2d3TnRBclFMZzlvZmpyZDZST1Y4?= =?utf-8?B?V2xtZTF3OGwrTE1HQzFLSGxrVnpSR2xIVHArZVBkUE40c1NrMERhV1MyZjIx?= =?utf-8?B?VUQvZFo5VEtYMjlnNituVHlWVU9tM2ZGd2FDWDJEcGQzemptbWtmdktGbEt0?= =?utf-8?B?dlN6MVVxaGwwM2Q2S3hrMnlqU3o2amt1SUhrWGhXZENMNHdwalNqcWxhRVli?= =?utf-8?B?R2JmcER0MFVuU3FnbGFWeFMrNkNGK2FFWmROUndiKys5UDNtSitDQUozcXgz?= =?utf-8?B?MHVzaTlrKzNKeVVPTXhuVHNwQmpzOFJVK2V2MGZrSVl5dGgxbGtkbElBQ3Mx?= =?utf-8?B?b2RlYyt5U0VCL2N3WGx6emlwd1RVNXN6VFp6cklZdjlZUWN1SVJ3aC9uRnpw?= =?utf-8?B?NDdNUVlnZTB0RFd5NjhRSFQzcHpwMzlxc2dLN3RXL3grQXdJUjFkR1c3UG5N?= =?utf-8?B?LzZRVDl2TGdZZEhhaDlTOHdUcnlQN0h1UzlYRUNhUEJuR0FseWErcTA3bnlT?= =?utf-8?B?eUMxR0VSU1JuYmxNcDJQY25uV3VjTnMvZmxPWm85VDYwdVhjL0xtbW84b3lT?= =?utf-8?B?Z2FaM1Y1cDZBUk1BakZDQTBHRG5oRXZwTDYrZlU2SmZ3NFlMVGZWTWpCRHJt?= =?utf-8?B?WUVjcFBBYWRtaTBSdEMwUkhTdHYrWGFrRkdVM3BHSXZ5b2RrMUFESjYra29U?= =?utf-8?B?Z1doV2ZXdTUxeEVZUHBMOVVxUlpZRmZPeTZWRVZud1Q0Z1BlMlhzeUx3NGJD?= =?utf-8?B?a3VFWmJOaWh4eW9qd3NmK3JZNFZQbTR3NnhLQTdqWVZVUWk3WWdYWElNcXlR?= =?utf-8?B?d3BMWXN0TEVMNlc2VzQwRTJWQy9ESWthSnI5dWx3K1JZbHVOUzhIK0x5Z2V6?= =?utf-8?B?aTlIaEc5bUsxRXQ2cG1BLzh6SFBCN2NxV0dSMXUzd2pNN1B1RG5EL1RzKzNn?= =?utf-8?B?UitLa1RQUGpwc3gxSm5xNldjb1BpRC81ZUUyV0xtODZ3cVlaamVSQXRRWEVj?= =?utf-8?Q?9zN4l56Cuce8rN9YadpwzQ0o3Fz8bi4kM7gW4oPNcE=3D?= Content-ID: MIME-Version: 1.0 X-OriginatorOrg: csgroup.eu X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 8fd36e4b-282f-4e02-77d3-08d9d80ff7f3 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jan 2022 10:15:34.4267 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 9914def7-b676-4fda-8815-5d49fb3b45c8 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: QCc7Ui6qUJMVZujbfxfYbERm/omTHqEBOm9XeaaySdm4kQ6I8aEIy6ZNiviWrHun0ENGMv+vfoqPBRkQyE+xX+wQmRNnHPLAUcgQ8kryag8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR0P264MB2568 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220115_021540_227598_7E47E5F5 X-CRM114-Status: GOOD ( 23.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DQoNCkxlIDI4LzEyLzIwMjEgw6AgMTc6MTQsIERhdmUgSGFuc2VuIGEgw6ljcml0wqA6DQo+IE9u IDEyLzI4LzIxIDI6MjYgQU0sIEtlZmVuZyBXYW5nIHdyb3RlOg0KPj4+PiBUaGVyZSBhcmUgc29t ZSBkaXNhZHZhbnRhZ2VzIGFib3V0IHRoaXMgZmVhdHVyZVsyXSwgb25lIG9mIHRoZSBtYWluDQo+ Pj4+IGNvbmNlcm5zIGlzIHRoZSBwb3NzaWJsZSBtZW1vcnkgZnJhZ21lbnRhdGlvbi93YXN0ZSBp biBzb21lIHNjZW5hcmlvcywNCj4+Pj4gYWxzbyBhcmNocyBtdXN0IGVuc3VyZSB0aGF0IGFueSBh cmNoIHNwZWNpZmljIHZtYWxsb2MgYWxsb2NhdGlvbnMgdGhhdA0KPj4+PiByZXF1aXJlIFBBR0Vf U0laRSBtYXBwaW5ncyhlZywgbW9kdWxlIGFsbG9jIHdpdGggU1RSSUNUX01PRFVMRV9SV1gpDQo+ Pj4+IHVzZSB0aGUgVk1fTk9fSFVHRV9WTUFQIGZsYWcgdG8gaW5oaWJpdCBsYXJnZXIgbWFwcGlu Z3MuDQo+Pj4gVGhhdCBqdXN0IHNheXMgdGhhdCB4ODYgKm5lZWRzKiBQQUdFX1NJWkUgYWxsb2Nh dGlvbnMuwqAgQnV0LCB3aGF0DQo+Pj4gaGFwcGVucyBpZiBWTV9OT19IVUdFX1ZNQVAgaXMgbm90 IHBhc3NlZCAobGlrZSBpdCB3YXMgaW4gdjEpP8KgIFdpbGwgdGhlDQo+Pj4gc3Vic2VxdWVudCBw ZXJtaXNzaW9uIGNoYW5nZXMganVzdCBmcmFnbWVudCB0aGUgMk0gbWFwcGluZz8NCj4+DQo+PiBZ ZXMsIHdpdGhvdXQgVk1fTk9fSFVHRV9WTUFQLCBpdCBjb3VsZCBmcmFnbWVudCB0aGUgMk0gbWFw cGluZy4NCj4+DQo+PiBXaGVuIG1vZHVsZSBhbGxvYyB3aXRoIFNUUklDVF9NT0RVTEVfUldYIG9u IHg4NiwgaXQgY2FsbHMNCj4+IF9fY2hhbmdlX3BhZ2VfYXR0cigpDQo+Pg0KPj4gZnJvbSBzZXRf bWVtb3J5X3JvL3J3L254IHdoaWNoIHdpbGwgc3BsaXQgbGFyZ2UgcGFnZSwgc28gdGhlcmUgaXMg bm8NCj4+IG5lZWQgdG8gbWFrZQ0KPj4NCj4+IG1vZHVsZSBhbGxvYyB3aXRoIEhVR0VfVk1BTExP Qy4NCj4gDQo+IFRoaXMgYWxsIHNvdW5kcyB2ZXJ5IGZyYWdpbGUgdG8gbWUuICBFdmVyeSB0aW1l IGEgbmV3IGFyY2hpdGVjdHVyZSB3b3VsZA0KPiBnZXQgYWRkZWQgZm9yIGh1Z2Ugdm1hbGxvYygp IHN1cHBvcnQsIHRoZSBkZXZlbG9wZXIgbmVlZHMgdG8ga25vdyB0byBnbw0KPiBmaW5kIHRoYXQg YXJjaGl0ZWN0dXJlJ3MgbW9kdWxlX2FsbG9jKCkgYW5kIGFkZCB0aGlzIGZsYWcuICBUaGV5IG5l eHQNCj4gZ3V5IGlzIGdvaW5nIHRvIGZvcmdldCwganVzdCBsaWtlIHlvdSBkaWQuDQoNClRoYXQn cyBub3QgY29ycmVjdCBmcm9tIG15IHBvaW50IG9mIHZpZXcuDQoNCldoZW4gcG93ZXJwYyBhZGRl ZCB0aGF0LCBhIGNsZWFyIGNvbW1lbnQgZXhwbGFpbnMgd2h5Og0KDQoNCisJLyoNCisJICogRG9u J3QgZG8gaHVnZSBwYWdlIGFsbG9jYXRpb25zIGZvciBtb2R1bGVzIHlldCB1bnRpbCBtb3JlIHRl c3RpbmcNCisJICogaXMgZG9uZS4gU1RSSUNUX01PRFVMRV9SV1ggbWF5IHJlcXVpcmUgZXh0cmEg d29yayB0byBzdXBwb3J0IHRoaXMNCisJICogdG9vLg0KKwkgKi8NCg0KU28gYXMgeW91IGNhbiBz ZWUsIHRoaXMgaXMgc29tZXRoaW5nIHNwZWNpZmljIHRvIHBvd2VycGMgYW5kIHRlbXBvcmFyeS4N Cg0KPiANCj4gQ29uc2lkZXJpbmcgdGhhdCB0aGlzIGlzIG5vdCBhIGhvdCBwYXRoLCBhIHdlYWsg ZnVuY3Rpb24gd291bGQgYmUgYSBuaWNlDQo+IGNob2ljZToNCj4gDQo+IC8qIHZtYWxsb2MoKSBm bGFncyB1c2VkIGZvciBhbGwgbW9kdWxlIGFsbG9jYXRpb25zLiAqLw0KPiB1bnNpZ25lZCBsb25n IF9fd2VhayBhcmNoX21vZHVsZV92bV9mbGFncygpDQo+IHsNCj4gCS8qDQo+IAkgKiBNb2R1bGVz IHVzZSBhIHNpbmdsZSwgbGFyZ2Ugdm1hbGxvYygpLiAgRGlmZmVyZW50DQo+IAkgKiBwZXJtaXNz aW9ucyBhcmUgYXBwbGllZCBsYXRlciBhbmQgd2lsbCBmcmFnbWVudA0KPiAJICogaHVnZSBtYXBw aW5ncy4gIEF2b2lkIHVzaW5nIGh1Z2UgcGFnZXMgZm9yIG1vZHVsZXMuDQo+IAkgKi8NCg0KV2h5 ID8gTm90IGV2ZXJ5Ym9keSB1c2UgU1RSSUNUX01PRFVMRVNfUldYLg0KRXZlbiBpZiB5b3UgZG8g c28sIHlvdSBjYW4gc3RpbGwgYmVuZWZpdCBmcm9tIGh1Z2UgcGFnZXMgZm9yIG1vZHVsZXMuDQoN CldoeSBtYWtlIHdoYXQgd2FzIGluaXRpYWxseSBhIHRlbXBvcmFyeSBwcmVjYXV0aW9uIGZvciBw b3dlcnBjIGJlY29tZSBhIA0KZGVmaW5pdGl2ZSBkZWZhdWx0IGxpbWl0YXRpb24gZm9yIGFsbCA/ DQoNCj4gCXJldHVybiBWTV9OT19IVUdFX1ZNQVA7DQo+IH0NCj4gDQo+IFN0aWNrIHRoYXQgaW4g c29tZSB0aGUgY29tbW9uIG1vZHVsZSBjb2RlLCBuZXh0IHRvOg0KPiANCj4+IHZvaWQgKiBfX3dl YWsgbW9kdWxlX2FsbG9jKHVuc2lnbmVkIGxvbmcgc2l6ZSkNCj4+IHsNCj4+ICAgICAgICAgIHJl dHVybiBfX3ZtYWxsb2Nfbm9kZV9yYW5nZShzaXplLCAxLCBWTUFMTE9DX1NUQVJULCBWTUFMTE9D X0VORCwNCj4gLi4uDQo+IA0KPiBUaGVuLCBwdXQgYXJjaF9tb2R1bGVfdm1fZmxhZ3MoKSBpbiAq YWxsKiBvZiB0aGUgbW9kdWxlX2FsbG9jKCkNCj4gaW1wbGVtZW50YXRpb25zLCBpbmNsdWRpbmcg dGhlIGdlbmVyaWMgb25lLiAgVGhhdCB3YXkgKGV2ZW4gd2l0aCBhIG5ldw0KPiBhcmNoaXRlY3R1 cmUpIHdob2V2ZXIgY29waWVzLWFuZC1wYXN0ZXMgdGhlaXIgbW9kdWxlX2FsbG9jKCkNCj4gaW1w bGVtZW50YXRpb24gaXMgbGlrZWx5IHRvIGdldCBpdCByaWdodC4gIFRoZSBuZXh0IGd1eSB3aG8g anVzdCBkb2VzIGENCj4gInNlbGVjdCBIQVZFX0FSQ0hfSFVHRV9WTUFMTE9DIiB3aWxsIGhvcGVm dWxseSBqdXN0IHdvcmsuDQo+IA0KPiBWTV9GTFVTSF9SRVNFVF9QRVJNUyBjb3VsZCBwcm9iYWJs eSBiZSBkZWFsdCB3aXRoIGluIHRoZSBzYW1lIHdheS4KX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=