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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 F1B12C4363A for ; Mon, 26 Oct 2020 00:54:31 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 051BA20874 for ; Mon, 26 Oct 2020 00:54:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=intel.onmicrosoft.com header.i=@intel.onmicrosoft.com header.b="mG1NfB8K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 051BA20874 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 338046B005D; Sun, 25 Oct 2020 20:54:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2E4946B0062; Sun, 25 Oct 2020 20:54:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1381C6B0068; Sun, 25 Oct 2020 20:54:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0038.hostedemail.com [216.40.44.38]) by kanga.kvack.org (Postfix) with ESMTP id DC3376B005D for ; Sun, 25 Oct 2020 20:54:29 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 75ADE3625 for ; Mon, 26 Oct 2020 00:54:29 +0000 (UTC) X-FDA: 77412255858.04.tooth32_49182ae2726f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 5BF928004D12 for ; Mon, 26 Oct 2020 00:54:29 +0000 (UTC) X-HE-Tag: tooth32_49182ae2726f X-Filterd-Recvd-Size: 11341 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Mon, 26 Oct 2020 00:54:27 +0000 (UTC) IronPort-SDR: U57rKc2kTX73fPLsrtQlzhhD/61KJGg8AazLLvgUXK++NKHQDBM4iVy018DB3xbJjO2PLO3urR LSyJ/FPLtuyQ== X-IronPort-AV: E=McAfee;i="6000,8403,9785"; a="164367549" X-IronPort-AV: E=Sophos;i="5.77,417,1596524400"; d="scan'208";a="164367549" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2020 17:54:23 -0700 IronPort-SDR: HN9nkUjtT1hTkoq911CDEB08SF0czOfL4YeC4arXtATrh4XjZoREB7hvV5VMSsmJjtsULFMr0W XT8zwE5BJYsA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,417,1596524400"; d="scan'208";a="525331540" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by fmsmga005.fm.intel.com with ESMTP; 25 Oct 2020 17:54:22 -0700 Received: from orsmsx601.amr.corp.intel.com (10.22.229.14) by ORSMSX602.amr.corp.intel.com (10.22.229.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Sun, 25 Oct 2020 17:54:22 -0700 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5 via Frontend Transport; Sun, 25 Oct 2020 17:54:22 -0700 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.174) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.1713.5; Sun, 25 Oct 2020 17:54:03 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=fpHSVGRCK8WzsDWqycSIq5SDuTOif1r2TUQIdu1h5meueiZkJl0XI9vIz/ZO8BALxFoWAcDeVaAVeNXaGNR7GxlNJwNpPE5yLDOrEJQl4yml17TOrK9PpCbuOh8FJaxTq/HFOZEfqgBan+itXvRafr3axE4tr437DR5vCozRtDo0kcGbmXtc/5JmIu/QCy064xU6gOavwab16qbGTQ1+GQOOfXWCP1ZXE7La2fom21hQyDB+0vO08teGtG0MRFz75aAxQ+NQZmP5KyNneQBs+gnjkYMs5GlEp+30Sf9ddmJsxVe/YegKL1TthCRAafP4peUT7nvXI/+8+p2c8ac+yA== 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-SenderADCheck; bh=BRWgkX3wTOs8LWwscatjLHQQw9l2RnFQe7QSWQPoBvs=; b=gGScUFlXUQDIZ72EX64vvudqbjymw6skJ3YqDhNwTN0IpZXZD4Nt1isn/4i4mJd9EBR1BkGvbkAGC9YloQ13gI9nw83p3J8NoybmftZbHyUtxe+3dqMrR0+tpMZOJwyWYXrj4rT6fKjiQstxTwZE75tdNAn/6ohQQyUXZrh8p8ixDkAaWRdiqtw5sQhYl7b+aMGrXgXG0lgZPB+HWALq5xVl+fIiZ/iWO9RwR8uzSuadToj0NyIYxmNVWp7cbwpVBaPPdpCvJU77ft6QyW8etmAYzj57KkLif6lAeEPW8KL1xHpbdtjgfTXi7AAMCUfGwG0cEJpKdHB6FmbUquMH/w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel.onmicrosoft.com; s=selector2-intel-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BRWgkX3wTOs8LWwscatjLHQQw9l2RnFQe7QSWQPoBvs=; b=mG1NfB8KzrhjpW6MkTek6fmb1nGtzTr5kMOpMEljQMk3V9CBH1xTYoWoUqpqNaXB28lCgSLvRMq2Z3T+l4xdL5FIHGfD3ZV9BrGiPCXXPc3JFbKxSFq8EDRZ8TEvb6JpRZPpK05a1NJqQSZhsInv1Ew68rQlDYaZYaKTDLwdknM= Received: from SN6PR11MB3184.namprd11.prod.outlook.com (2603:10b6:805:bd::17) by SA0PR11MB4606.namprd11.prod.outlook.com (2603:10b6:806:71::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3499.18; Mon, 26 Oct 2020 00:54:01 +0000 Received: from SN6PR11MB3184.namprd11.prod.outlook.com ([fe80::b901:8e07:4340:6704]) by SN6PR11MB3184.namprd11.prod.outlook.com ([fe80::b901:8e07:4340:6704%7]) with mapi id 15.20.3477.028; Mon, 26 Oct 2020 00:54:01 +0000 From: "Edgecombe, Rick P" To: "rppt@kernel.org" , "akpm@linux-foundation.org" CC: "david@redhat.com" , "cl@linux.com" , "gor@linux.ibm.com" , "hpa@zytor.com" , "peterz@infradead.org" , "catalin.marinas@arm.com" , "dave.hansen@linux.intel.com" , "borntraeger@de.ibm.com" , "will@kernel.org" , "penberg@kernel.org" , "iamjoonsoo.kim@lge.com" , "aou@eecs.berkeley.edu" , "kirill@shutemov.name" , "rientjes@google.com" , "rppt@linux.ibm.com" , "paulus@samba.org" , "hca@linux.ibm.com" , "pavel@ucw.cz" , "bp@alien8.de" , "sparclinux@vger.kernel.org" , "mpe@ellerman.id.au" , "luto@kernel.org" , "davem@davemloft.net" , "linux-mm@kvack.org" , "tglx@linutronix.de" , "rjw@rjwysocki.net" , "linux-riscv@lists.infradead.org" , "benh@kernel.crashing.org" , "linuxppc-dev@lists.ozlabs.org" , "x86@kernel.org" , "linux-pm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "palmer@dabbelt.com" , "Brown, Len" , "mingo@redhat.com" , "linux-s390@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "paul.walmsley@sifive.com" Subject: Re: [PATCH 4/4] arch, mm: make kernel_page_present() always available Thread-Topic: [PATCH 4/4] arch, mm: make kernel_page_present() always available Thread-Index: AQHWqrgGgdwDAwy5cUu01lVq6vOTuKmpD4sA Date: Mon, 26 Oct 2020 00:54:01 +0000 Message-ID: <979889bf987fdc7268a973fe7398198bfad1644f.camel@intel.com> References: <20201025101555.3057-1-rppt@kernel.org> <20201025101555.3057-5-rppt@kernel.org> In-Reply-To: <20201025101555.3057-5-rppt@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.30.1 (3.30.1-1.fc29) authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=intel.com; x-originating-ip: [192.55.55.43] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 794bf28d-df69-4611-d787-08d87949a137 x-ms-traffictypediagnostic: SA0PR11MB4606: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7219; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: fpsZHvV7qYqVZkCugBUPgRi9DL10h/AUHnveifgqN9JpA8IFkUv7bt5xz6eGR/ksklqW+9+q+128RgXC3thRkQMIkW0PlUlukp3wAnmnY8otCvotpLJTU6Jktfe/WkvTsx+XpDygoVqigXpodFPS/TFPX4RjXKgE89S+0cerqvk4tfpvbxC+JiIH0Gv14+gp4/5uCmxJYQQl5gRu/P5ZoeCbeBehBEZ22910ojoSjV6bWBubCt3l1M4q+nYdULkv27GRgV1gOq1STzO7ZoygRe84LfUZpxoWFsRuqM9WL1w+NbH3kRPu4OwmXWSLwdSdFjFc3hfIZaCZzdh7dsqHBQ== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN6PR11MB3184.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(39860400002)(366004)(396003)(346002)(136003)(376002)(6486002)(66476007)(110136005)(4326008)(8676002)(316002)(478600001)(4001150100001)(186003)(8936002)(54906003)(6506007)(26005)(5660300002)(66446008)(7416002)(83380400001)(64756008)(66946007)(86362001)(2906002)(71200400001)(7406005)(2616005)(6512007)(76116006)(66556008)(36756003)(91956017);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="utf-8" Content-ID: <3D4CB5DDF3DD214BA434D481A4E9F078@namprd11.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3184.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 794bf28d-df69-4611-d787-08d87949a137 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Oct 2020 00:54:01.5631 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: P1jBix2rtmPMikGlcaNeeA3YbAxRYzrAps7Fk/uxDW3dOkih6NNXzKLnvvbPTR1ZWAlg7y969nwvK8cVE8l7Usd+u1HEw4Gt3mXtH90WVL8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR11MB4606 X-OriginatorOrg: intel.com X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: T24gU3VuLCAyMDIwLTEwLTI1IGF0IDEyOjE1ICswMjAwLCBNaWtlIFJhcG9wb3J0IHdyb3RlOg0K PiBpbmRleCA3ZjI0OGZjNDUzMTcuLjE2Zjg3OGMyNjY2NyAxMDA2NDQNCj4gLS0tIGEvYXJjaC94 ODYvbW0vcGF0L3NldF9tZW1vcnkuYw0KPiArKysgYi9hcmNoL3g4Ni9tbS9wYXQvc2V0X21lbW9y eS5jDQo+IEBAIC0yMjI4LDcgKzIyMjgsNiBAQCB2b2lkIF9fa2VybmVsX21hcF9wYWdlcyhzdHJ1 Y3QgcGFnZSAqcGFnZSwgaW50DQo+IG51bXBhZ2VzLCBpbnQgZW5hYmxlKQ0KPiAgfQ0KPiAgI2Vu ZGlmIC8qIENPTkZJR19ERUJVR19QQUdFQUxMT0MgKi8NCj4gIA0KPiAtI2lmZGVmIENPTkZJR19I SUJFUk5BVElPTg0KPiAgYm9vbCBrZXJuZWxfcGFnZV9wcmVzZW50KHN0cnVjdCBwYWdlICpwYWdl KQ0KPiAgew0KPiAgICAgICAgIHVuc2lnbmVkIGludCBsZXZlbDsNCj4gQEAgLTIyNDAsNyArMjIz OSw2IEBAIGJvb2wga2VybmVsX3BhZ2VfcHJlc2VudChzdHJ1Y3QgcGFnZSAqcGFnZSkNCj4gICAg ICAgICBwdGUgPSBsb29rdXBfYWRkcmVzcygodW5zaWduZWQgbG9uZylwYWdlX2FkZHJlc3MocGFn ZSksDQo+ICZsZXZlbCk7DQo+ICAgICAgICAgcmV0dXJuIChwdGVfdmFsKCpwdGUpICYgX1BBR0Vf UFJFU0VOVCk7DQo+ICB9DQo+IC0jZW5kaWYgLyogQ09ORklHX0hJQkVSTkFUSU9OICovDQoNClRo aXMgaXMgb25seSB1c2VkIGJ5IGhpYmVybmF0ZSB0b2RheSByaWdodD8gTWFrZXMgc2Vuc2UgdGhh dCBpdCBzaG91bGQNCnJldHVybiBhIGNvcnJlY3QgYW5zd2VyIGlmIHNvbWVvbmUgc3RhcnRzIHRv IHVzZSBpdCB3aXRob3V0IGxvb2tpbmcgdG9vDQpjbG9zZWx5IGF0IHRoZSBoZWFkZXIuIEJ1dCBj b3VsZCB3ZSBqdXN0IHJlbW92ZSB0aGUgZGVmYXVsdCBzdGF0aWMNCmlubGluZSByZXR1cm4gdHJ1 ZSBpbXBsZW1lbnRhdGlvbiBhbmQgbGV0IHRoZSBsaW5rZXIgZmFpbCBpZiBzb21lb25lDQpzdGFy dHMgdG8gdXNlIGl0IG91dHNpZGUgaGliZXJuYXRlPyBUaGVuIHdlIGNvdWxkIGxlYXZlIGl0IGNv bXBpbGVkIG91dA0KdW50aWwgdGhlbi4NCg0KQWxzbyBpdCBsb29rcyBsaWtlIHJpc2N2IGRvZXMg bm90IGhhdmUgQVJDSF9ISUJFUk5BVElPTl9QT1NTSUJMRSBzbyB0aGUNCm5ldyBmdW5jdGlvbiBh ZGRlZCBoZXJlIGNvdWxkbid0IGJlIHVzZWQgeWV0LiBZb3UgY291bGQgYWxzbyBqdXN0IGxldA0K dGhlIGxpbmtlciBjYXRjaCBpdCBpZiByaXNjdiBldmVyIGVuYWJsZXMgaGliZXJuYXRlPw0K