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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 505EEC76190 for ; Fri, 26 Jul 2019 00:16:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0BF8D2166E for ; Fri, 26 Jul 2019 00:16:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=Mellanox.com header.i=@Mellanox.com header.b="BPvqDOZ8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0BF8D2166E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 99A006B0003; Thu, 25 Jul 2019 20:16:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 94B8C6B0005; Thu, 25 Jul 2019 20:16:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7EC078E0002; Thu, 25 Jul 2019 20:16:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by kanga.kvack.org (Postfix) with ESMTP id 2F5116B0003 for ; Thu, 25 Jul 2019 20:16:33 -0400 (EDT) Received: by mail-ed1-f72.google.com with SMTP id o13so33076096edt.4 for ; Thu, 25 Jul 2019 17:16:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:to:cc:subject:thread-topic :thread-index:date:message-id:references:in-reply-to:accept-language :content-language:content-id:content-transfer-encoding:mime-version; bh=0q7KETf8VOgdRydYjPeN0MMEKPYfp/4tpTOPqZtr/E0=; b=nNNiOVlBniKUHZmPAKEkrSoCvwlhUPJLQpPpgvYrk6nLBcZMRMJttU7/1LgZE78OaI dVQ5Cjo7Z7+MDhCsvwQ+SV27mmob6A+OmcztDX9e/DJmpnfiY6uDaldnAXCTbRgZpUAi bLnaqlrJi1QROS2aCRbrtBqu+Yb2GVVWQH7ovNX1y9FEcUlQUs754eKO1mymf4+FumpH AcHnqNAzjoaPL549Szpz5wLtPwQbQ0N13voDW9Z2fMGu1B3RCr9EF67q+QvX2WKvdzPD 0c0PRQ8HERN6j1gyQBqA51jPD0QcSODG8dCd7Vl5xznlZitXbeVYEIZFXLV/FIRA3f+Z A56Q== X-Gm-Message-State: APjAAAW66n2hwjyeqqebGofj4lylqy9/fGlURHjrprB6K14gtqchzpg+ z35W3+Q39WVEfZl6/f9AW4x91jsg2yYcuIN1SanNPQAS54SfwOHFk2aPmMYwUvbQ2Jx7Oowfqea SyMYGePbaP77ChSTvMegfXAsUuY+AazY24GGg73JBI2VQTSTb6YtBPQIYY1gSzXR0zA== X-Received: by 2002:a50:cd91:: with SMTP id p17mr80990176edi.35.1564100192749; Thu, 25 Jul 2019 17:16:32 -0700 (PDT) X-Google-Smtp-Source: APXvYqwRpmmK0vLUp0b5qBerduZBVO55uHUhGWvT06JOa5z+5iy3xCxOmIp3QCnU01kaNpthgj1R X-Received: by 2002:a50:cd91:: with SMTP id p17mr80990127edi.35.1564100192088; Thu, 25 Jul 2019 17:16:32 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1564100192; cv=pass; d=google.com; s=arc-20160816; b=R+hzzRb9x/f/Cfq1B+ZABrbwtwCd3TauJa0aR2TmhXxTgL08B5bJVqREvn39oJwTXB Kb9+k+deXxn4ZECrimZkU45a2mbd9h5IHMazh1K0mWEARV2hKgSXv/c5SWCc19Db5Nz9 DtiJ965w17uY4xlD4KjbxFK/KvgR7kde/oRv+X7sjch4I1CJY+/6r075i+RrIMmQ67Tg HBNl3zNmX6c16JG20tbrxVG8knC2vf1Zpgdf0BTmKdP9QwgFuUohfSa5AmFFAY+oA9g9 QrxSv2EOZ4NYfVWWVxeLB+7lJdFg8j0YcwTv6QKo/QWdy4TFMY2d7giOVvLqzU/TaKLs mfBA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:content-transfer-encoding:content-id:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=0q7KETf8VOgdRydYjPeN0MMEKPYfp/4tpTOPqZtr/E0=; b=QF3eq6SyjoHAcbhdi49/JcLZs8Bq/GoQJCMPlAN46G9DIWfYbaXVhdhrTlktp4ZQAJ e1U9jD2c2lIOFA5YIDE75HspTtC9lRwTJ5lk4n3RT4XhRr2SI1mFyycoTJhilj+PjN/b Ytthaxxn+jXNBSubtbmpQD06jhSlPEeuQTuDkIl1alurj6mGJSowXbUzAbbyLziqmx0+ gzY9h5i+Yvk64F/MsNvjrjikklbL75P4t49f+6alE9FrjWzrUXThMK4ZsL7Ji6E1eDEX NK72xVGANeAEAVDCK/O3x86wdkewpUgAcLBUp1FS/w+gc7kh7jrNEFZYNeSVmvIsa3EK Cqlw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Mellanox.com header.s=selector2 header.b=BPvqDOZ8; arc=pass (i=1 spf=pass spfdomain=mellanox.com dkim=pass dkdomain=mellanox.com dmarc=pass fromdomain=mellanox.com); spf=pass (google.com: domain of jgg@mellanox.com designates 40.107.5.86 as permitted sender) smtp.mailfrom=jgg@mellanox.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mellanox.com Received: from EUR03-VE1-obe.outbound.protection.outlook.com (mail-eopbgr50086.outbound.protection.outlook.com. [40.107.5.86]) by mx.google.com with ESMTPS id i9si10391711ejf.152.2019.07.25.17.16.31 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 25 Jul 2019 17:16:32 -0700 (PDT) Received-SPF: pass (google.com: domain of jgg@mellanox.com designates 40.107.5.86 as permitted sender) client-ip=40.107.5.86; Authentication-Results: mx.google.com; dkim=pass header.i=@Mellanox.com header.s=selector2 header.b=BPvqDOZ8; arc=pass (i=1 spf=pass spfdomain=mellanox.com dkim=pass dkdomain=mellanox.com dmarc=pass fromdomain=mellanox.com); spf=pass (google.com: domain of jgg@mellanox.com designates 40.107.5.86 as permitted sender) smtp.mailfrom=jgg@mellanox.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mellanox.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MNI2rM7p45vkpfKHgM+MRU49tgMgLjLIWqj4QUhIhH6Z3LMtLujcoXsbuPRKLbMLD6QCtpoBO1IgCPzxBdXrUayAWR8/6zaNDzu+xLPBqWvPQLEKnUKv+P2HDBNCWDkJ+Rq4cAHYNBQ6h9y1UVMK+aotqbtKvnLL1g8RjAr5U34xj8IXdc4HuI/uHBZofQ3+iuprLiFRRBGMFSmHJVdJdedO79yPk9J+6tFuSEhbwdj9KsMf6J2xPCPoex9gN72HQpriVDtHiT6lMJHAl8qXNty2bLEvjEH44eIjwFVe/moRnz6QIhJHC34TF4H/80SYq74ukVAFkMyJ5uqFRIMQww== 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=0q7KETf8VOgdRydYjPeN0MMEKPYfp/4tpTOPqZtr/E0=; b=X2mBSecRCDOHx0jXX9K2PzJ6cHWsQLff8SfDR/vTxdOcGUsnR+L7hYoXbXsWLKfN7RssmG8nL9yHsJEIGADEojF05D/XpYfT+ZjMEK7tK9gtjpotteN96dbLiKslfvaP3j2B8s5C4me1bFA/+LIM/lDfzvo9JpG1CtCrU/8POTb6UrBZOt0HRoEWGyGjWcOjpxwQ7I5rQt6dbKk0O9znrkOl6yJ7Ts/GNrh1FIhf9NRlnD+n3/FnSrCI+2MJcWtQV01/pdzgBpu/4hyOouRiUy6XiR5/j4APO3CIlbfjE2k5K4BA1y73DIKIM8AkZlk8sYPUcKrvYwu6XMVAT6vdPg== ARC-Authentication-Results: i=1; mx.microsoft.com 1;spf=pass smtp.mailfrom=mellanox.com;dmarc=pass action=none header.from=mellanox.com;dkim=pass header.d=mellanox.com;arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0q7KETf8VOgdRydYjPeN0MMEKPYfp/4tpTOPqZtr/E0=; b=BPvqDOZ83VGD2ZpojFsykMRzKPQNfABicQx4MWQwP/vZjYzrhD6lAZZz01N145wBImU2sR6lHZ9Bx9O5kfbTTqeJBNrJ/oOkUXdgFQYhv+7NfxZazu+dfGmFc58W6r670I3ya2c5N/3ZjV8HndcgBumjduwXU30hOiMtL/aZyhY= Received: from VI1PR05MB4141.eurprd05.prod.outlook.com (10.171.182.144) by VI1PR05MB5389.eurprd05.prod.outlook.com (20.177.63.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2094.16; Fri, 26 Jul 2019 00:16:30 +0000 Received: from VI1PR05MB4141.eurprd05.prod.outlook.com ([fe80::5c6f:6120:45cd:2880]) by VI1PR05MB4141.eurprd05.prod.outlook.com ([fe80::5c6f:6120:45cd:2880%4]) with mapi id 15.20.2115.005; Fri, 26 Jul 2019 00:16:30 +0000 From: Jason Gunthorpe To: Christoph Hellwig CC: =?utf-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Ben Skeggs , Ralph Campbell , "linux-mm@kvack.org" , "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" Subject: Re: hmm_range_fault related fixes and legacy API removal v3 Thread-Topic: hmm_range_fault related fixes and legacy API removal v3 Thread-Index: AQHVQexyfCYT3znpM0Ow5t5NZiu9m6bcCtwA Date: Fri, 26 Jul 2019 00:16:30 +0000 Message-ID: <20190726001622.GL7450@mellanox.com> References: <20190724065258.16603-1-hch@lst.de> In-Reply-To: <20190724065258.16603-1-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: YTOPR0101CA0071.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b00:14::48) To VI1PR05MB4141.eurprd05.prod.outlook.com (2603:10a6:803:4d::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=jgg@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [156.34.55.100] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ca69ca56-6347-48a7-0ff0-08d7115e81d4 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:VI1PR05MB5389; x-ms-traffictypediagnostic: VI1PR05MB5389: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-forefront-prvs: 01106E96F6 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(39860400002)(366004)(376002)(346002)(136003)(396003)(199004)(189003)(66556008)(66446008)(4744005)(66946007)(66476007)(6486002)(1076003)(64756008)(71200400001)(476003)(66066001)(6246003)(71190400001)(99286004)(6436002)(229853002)(53936002)(25786009)(81166006)(86362001)(478600001)(6916009)(6506007)(256004)(7736002)(3846002)(386003)(81156014)(486006)(76176011)(305945005)(8676002)(36756003)(102836004)(14454004)(4326008)(186003)(11346002)(54906003)(2906002)(316002)(26005)(68736007)(33656002)(8936002)(2616005)(5660300002)(6116002)(52116002)(6512007)(446003);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR05MB5389;H:VI1PR05MB4141.eurprd05.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: NrmVLum9v2YBluzrp/mm1lBfpYaq+Gu1hv0gn7ggZrHzR9yH6MA/0XO7rOE6W6HwiyZvO4QLdhW8urne5fF2yANtHGsYbvMay2mb7f11AE/NLxBSXUhMjAGl0gz3Ts1of3+ERmpQ7ADZe0ediRyTXIUIWFHJRJHdSudZmqFKRN2aH5xjvJbX6BfG30bIDwJ9rbSsXbYryOxrKMg+R2770JxORJZDEC7PYBfM96CoPZuPV+hx+VtIcohphA+EfjVLewRC2wrzf4Jr2HoHpEavGaCP+36436Lv55A2lNph9+/Ixw4uiIfTPOmZZ8FQiod/hewpFI2LJak9KuNHPhsbr85hkpyxGBqefxmjU/fH1e0eVej8i6lf96Ti29mi3os7pmvIDxG2R+VWvVp4iq0dlX4zeJKx5D90mhOueIuMAXM= Content-Type: text/plain; charset="utf-8" Content-ID: <86BBF3FDDFDEC14E88EE4CCBA4717F7E@eurprd05.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: ca69ca56-6347-48a7-0ff0-08d7115e81d4 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Jul 2019 00:16:30.0910 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jgg@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB5389 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: T24gV2VkLCBKdWwgMjQsIDIwMTkgYXQgMDg6NTI6NTFBTSArMDIwMCwgQ2hyaXN0b3BoIEhlbGx3 aWcgd3JvdGU6DQo+IEhpIErDqXLDtG1lLCBCZW4gYW5kIEphc29uLA0KPiANCj4gYmVsb3cgaXMg YSBzZXJpZXMgYWdhaW5zdCB0aGUgaG1tIHRyZWUgd2hpY2ggZml4ZXMgdXAgdGhlIG1tYXBfc2Vt DQo+IGxvY2tpbmcgaW4gbm91dmVhdSBhbmQgd2hpbGUgYXQgaXQgYWxzbyByZW1vdmVzIGxlZnRv dmVyIGxlZ2FjeSBITU0gQVBJcw0KPiBvbmx5IHVzZWQgYnkgbm91dmVhdS4NCj4gDQo+IFRoZSBm aXJzdCA0IHBhdGNoZXMgYXJlIGEgYnVnIGZpeCBmb3Igbm91dmVhdSwgd2hpY2ggSSBzdXNwZWN0 IHNob3VsZA0KPiBnbyBpbnRvIHRoaXMgbWVyZ2Ugd2luZG93IGV2ZW4gaWYgdGhlIGNvZGUgaXMg bWFya2VkIGFzIHN0YWdpbmcsIGp1c3QNCj4gdG8gYXZvaWQgcGVvcGxlIGNvcHlpbmcgdGhlIGJy ZWFrYWdlLg0KPiANCj4gQ2hhbmdlcyBzaW5jZSB2MjoNCj4gIC0gbmV3IHBhdGNoIGZyb20gSmFz b24gdG8gZG9jdW1lbnQgRkFVTFRfRkxBR19BTExPV19SRVRSWSBzZW1hbnRpY3MNCj4gICAgYmV0 dGVyDQo+ICAtIHJlbW92ZSAtRUFHQUlOIGhhbmRsaW5nIGluIG5vdXZlYXUgZWFybGllcg0KDQpJ IGRvbid0IHNlZSBSYWxwaCdzIHRlc3RlZCBieSwgZG8geW91IHRoaW5rIGl0IGNoYW5nZWQgZW5v dWdoIHRvDQpyZXF1aXJlIHRlc3RpbmcgYWdhaW4/IElmIHNvLCBSYWxwaCB3b3VsZCB5b3UgYmUg c28ga2luZD8NCg0KSW4gYW55IGV2ZW50LCBJJ20gc2VuZGluZyB0aGlzIGludG8gbGludXgtbmV4 dCBhbmQgaW50ZW5kIHRvIGZvcndhcmQNCnRoZSBmaXJzdCBmb3VyIG5leHQgd2Vlay4NCg0KVGhh bmtzLA0KSmFzb24NCg==