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=-7.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS 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 DC36AC04AA7 for ; Mon, 13 May 2019 20:31:53 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 72DE520862 for ; Mon, 13 May 2019 20:31:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="zqiW0yzO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 72DE520862 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amd.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id DF8F76B0006; Mon, 13 May 2019 16:31:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DA8C96B0008; Mon, 13 May 2019 16:31:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C238F6B000A; Mon, 13 May 2019 16:31:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) by kanga.kvack.org (Postfix) with ESMTP id 98F3C6B0006 for ; Mon, 13 May 2019 16:31:52 -0400 (EDT) Received: by mail-oi1-f198.google.com with SMTP id a196so4628013oii.21 for ; Mon, 13 May 2019 13:31:52 -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:user-agent:content-id:content-transfer-encoding :mime-version; bh=Ml5RJ4NBLaDlWxzIFMGxVtorNmkVyC0HKuybT4Ekchc=; b=PXuKlRnwGmJGlXqHxhZyB+qb/xuu0ZWNAx1G6dCADNmb0oAmN5LRO1st4hMzee/btr aXLw/jPwJr9Qh/9Du4RkQBIjGa0nfhsA5a6WOoeOsJHa55yLau9/vWXerUVeTIMwIW14 F6hQqyJ/9XAHkg0Z1bV+XZgT/dbW77ardqY3W2DUZRubTJ6LguMbllaoKmvvr4S8PLfC toafpYGRVvWigQnOZHreyikqqOMXm0zNu3AiLIytYfjT10I5DffDTz+D6vAvHsoGb6p1 D5v4sI+uJya/sh59WEKtN8CN6lPaL7YymokmZCdCd1xpxCy31htAvxFccTT4B+X3pQfV 0IEQ== X-Gm-Message-State: APjAAAXJ78kkXO0kOaJK30V1lVWL0zauub7J0E7PhWpOz9zPiyi0SVMz 2WgCGoC/N9jOn2Z4JoJSUMVa6SnJWDh3Pe2/K8zjn+C0Q+eujj+CJ1WrWt+Fmkc+FhsWrloppOi iWvh9JXuDeQUt15/K0GM/e3HklVL7Du6GglKkZ9juMlPKOfA2NiXEhbmAnPChn2w= X-Received: by 2002:aca:af90:: with SMTP id y138mr722929oie.1.1557779512265; Mon, 13 May 2019 13:31:52 -0700 (PDT) X-Google-Smtp-Source: APXvYqyV79pYipNZxluq0mqXr4rL3puUouRM7jNqRh/IyzZetzVF8ei/TvAIISdh9YsZMLSgK5n3 X-Received: by 2002:aca:af90:: with SMTP id y138mr722859oie.1.1557779511191; Mon, 13 May 2019 13:31:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557779511; cv=none; d=google.com; s=arc-20160816; b=ri1CtkTZS7WhCxZZZX/ZO2w71fIxDl3Lf4Ci1uXLjurUFGztbpKsxREDzw/xTMbPS0 Wa4ivXbLwO95+xIV4K1ySE9DE7oeYVMptVrRDbk2lfJgbIApT8UyKg6/nBvmVRvEWebp jdUOEjchHinCwl3xho9Cwb4TNiD0/k9O476GJdsuYWg4AbsjvX/UL0xO8y48aj1I9BgI ti/jGd7Kt53d+FILIDfNS74af0ONOGq517Lv8dQntlKq2Jh9X5ZVaa3A+mR76aij5x7J vEkRtl8lrlqNe4nS8v77k7vkcuHUaOvZz0+BPSGnp3GCt0UzvgD+lHC9YK147LmQe1Oo 0Iow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:content-transfer-encoding:content-id:user-agent :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature; bh=Ml5RJ4NBLaDlWxzIFMGxVtorNmkVyC0HKuybT4Ekchc=; b=gs8c/Ovswrm7zEL13KdNvn3IqNIrCsYoHS5dO7lGLvgDnJlQqg2mpkugXAuYgyWkrj ikKpriyV0V3oy3BfSA9EBSbwmAOCQ68xA6htEr5Zg0bpX9ssU36PYjEjmQ/QwswFCN06 TX7Bva7lpJbujJYegxZF+Ans3F1u7aWDPGXnsydXiLRRayT4z9cn27nW7UDjzLpDFMeo C7a0dlhlzrrZ2+CAcyPV1hss3PJKOcDR4k0hftOZNaV8wk0S3mFI02ZE9IWBpmHJ9DsZ UbXziMP/vTPYPQqyzLmY70Xodxi1FWYpCAUcLWFXTgsnyDt6PooEv5WmQhnq5ilojyFT LoXw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector1-amd-com header.b=zqiW0yzO; spf=neutral (google.com: 40.107.80.87 is neither permitted nor denied by best guess record for domain of felix.kuehling@amd.com) smtp.mailfrom=Felix.Kuehling@amd.com Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-eopbgr800087.outbound.protection.outlook.com. [40.107.80.87]) by mx.google.com with ESMTPS id s22si5436149otp.220.2019.05.13.13.31.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 13 May 2019 13:31:51 -0700 (PDT) Received-SPF: neutral (google.com: 40.107.80.87 is neither permitted nor denied by best guess record for domain of felix.kuehling@amd.com) client-ip=40.107.80.87; Authentication-Results: mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector1-amd-com header.b=zqiW0yzO; spf=neutral (google.com: 40.107.80.87 is neither permitted nor denied by best guess record for domain of felix.kuehling@amd.com) smtp.mailfrom=Felix.Kuehling@amd.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ml5RJ4NBLaDlWxzIFMGxVtorNmkVyC0HKuybT4Ekchc=; b=zqiW0yzOzBLL2Bu7+7joFx87u+uJ853LpEh+RLBxFMEnYhOds0eYBnVT+599/1GZFlbQEkaLweBvYx1yoPbEXE10Sv3g4UZ1+Wu3kTa8dR7RlQweQIfHXdwY5E8FSEzIaUBQDeWlilVqtd/07eeiv9FBlp0xBzgtEYSwv88Ns1I= Received: from DM6PR12MB3947.namprd12.prod.outlook.com (10.255.174.156) by DM6PR12MB2713.namprd12.prod.outlook.com (20.176.116.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1878.22; Mon, 13 May 2019 20:31:49 +0000 Received: from DM6PR12MB3947.namprd12.prod.outlook.com ([fe80::588b:cfef:3486:b4e8]) by DM6PR12MB3947.namprd12.prod.outlook.com ([fe80::588b:cfef:3486:b4e8%3]) with mapi id 15.20.1878.024; Mon, 13 May 2019 20:31:49 +0000 From: "Kuehling, Felix" To: Jerome Glisse , Andrew Morton CC: "Deucher, Alexander" , "airlied@gmail.com" , "linux-mm@kvack.org" , "dri-devel@lists.freedesktop.org" , "amd-gfx@lists.freedesktop.org" Subject: Re: [PATCH 2/2] mm/hmm: Only set FAULT_FLAG_ALLOW_RETRY for non-blocking Thread-Topic: [PATCH 2/2] mm/hmm: Only set FAULT_FLAG_ALLOW_RETRY for non-blocking Thread-Index: AQHVB2oH3gumKK8uVkW/G1cJvzIbZqZkyv6AgASsjwCAAAOPAIAAC9WA Date: Mon, 13 May 2019 20:31:49 +0000 Message-ID: References: <20190510195258.9930-1-Felix.Kuehling@amd.com> <20190510195258.9930-3-Felix.Kuehling@amd.com> <20190510201403.GG4507@redhat.com> <65328381-aa0d-353d-68dc-81060e7cebdf@amd.com> <20190513194925.GA31365@redhat.com> In-Reply-To: <20190513194925.GA31365@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [165.204.55.251] user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 x-clientproxiedby: YTXPR0101CA0062.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b00:1::39) To DM6PR12MB3947.namprd12.prod.outlook.com (2603:10b6:5:1cb::28) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Felix.Kuehling@amd.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 10d69884-bf8c-4a39-f644-08d6d7e20689 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:DM6PR12MB2713; x-ms-traffictypediagnostic: DM6PR12MB2713: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; x-forefront-prvs: 0036736630 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(136003)(366004)(396003)(346002)(376002)(199004)(189003)(102836004)(53546011)(52116002)(316002)(76176011)(386003)(256004)(14444005)(31686004)(6506007)(68736007)(81156014)(81166006)(6246003)(8676002)(99286004)(4326008)(8936002)(73956011)(66556008)(66946007)(86362001)(6512007)(36756003)(31696002)(66446008)(64756008)(66476007)(25786009)(478600001)(110136005)(54906003)(58126008)(3846002)(64126003)(6116002)(26005)(186003)(305945005)(66574012)(65826007)(71200400001)(71190400001)(65956001)(5660300002)(7736002)(229853002)(2906002)(66066001)(65806001)(2616005)(53936002)(6486002)(11346002)(6436002)(72206003)(476003)(486006)(446003)(14454004);DIR:OUT;SFP:1101;SCL:1;SRVR:DM6PR12MB2713;H:DM6PR12MB3947.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: SFQLO6PlsQR3uKXoYBtVbSBPKZw+n0Si4XmFAKBUOJXllhLIA9vI96N8sg/cwmZoSYerzgHc12O7z749oxI7R8Wl/g6QtHtgAyKtxTwYvlNEn3m8/go1L0HCN5YqM8HS68MOT8Cb9bO30szTL8hEkwkE7HstyiJCeYxAT4eoN6HEbPYXQFQZVyLJlJIq9UFETQnCuIfrJH7hrz3QuRamurB1g6Ao6GtVjOgEL4uIZZog6yZjf2mIsvWOb49lB4wzspD4KmfSmGWZ1Cr28KQODmDyzjoXs5ZLtAOiTcWVmfIQn5Jo0rh+DeEusIe+W5HjhHbChUAjCTTHjj+Xi6EVvJVKwP3e/mLUb1/Md4i8oP6s/OWu47MxcqUFBO0+nzj06leJiHC5Se57jrixkjJUeGnpMTgRQ9SUVi8oEhtsfK4= Content-Type: text/plain; charset="utf-8" Content-ID: <5E82D3940DFEC141BD7D114350D4BBB9@namprd12.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 10d69884-bf8c-4a39-f644-08d6d7e20689 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 May 2019 20:31:49.7513 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2713 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: W0ZpeGVkIEFsZXgncyBlbWFpbCBhZGRyZXNzLCBzb3JyeSBmb3IgZ2V0dGluZyBpdCB3cm9uZyBm aXJzdF0NCg0KT24gMjAxOS0wNS0xMyAzOjQ5IHAubS4sIEplcm9tZSBHbGlzc2Ugd3JvdGU6DQo+ IFtDQVVUSU9OOiBFeHRlcm5hbCBFbWFpbF0NCj4NCj4gQW5kcmV3IGNhbiB3ZSBnZXQgdGhpcyAy IGZpeGVzIGxpbmUgdXAgZm9yIDUuMiA/DQo+DQo+IE9uIE1vbiwgTWF5IDEzLCAyMDE5IGF0IDA3 OjM2OjQ0UE0gKzAwMDAsIEt1ZWhsaW5nLCBGZWxpeCB3cm90ZToNCj4+IEhpIEplcm9tZSwNCj4+ DQo+PiBEbyB5b3Ugd2FudCBtZSB0byBwdXNoIHRoZSBwYXRjaGVzIHRvIHlvdXIgYnJhbmNoPyBP ciBhcmUgeW91IGdvaW5nIHRvDQo+PiBhcHBseSB0aGVtIHlvdXJzZWxmPw0KPj4NCj4+IElzIHlv dXIgaG1tLTUuMi12MyBicmFuY2ggZ29pbmcgdG8gbWFrZSBpdCBpbnRvIExpbnV4IDUuMj8gSWYg c28sIGRvIHlvdQ0KPj4ga25vdyB3aGVuPyBJJ2QgbGlrZSB0byBjb29yZGluYXRlIHdpdGggRGF2 ZSBBaXJsaWUgc28gdGhhdCB3ZSBjYW4gYWxzbw0KPj4gZ2V0IHRoYXQgdXBkYXRlIGludG8gYSBk cm0tbmV4dCBicmFuY2ggc29vbi4NCj4+DQo+PiBJIHNlZSB0aGF0IExpbnVzIG1lcmdlZCBEYXZl J3MgcHVsbCByZXF1ZXN0IGZvciBMaW51eCA1LjIsIHdoaWNoDQo+PiBpbmNsdWRlcyB0aGUgZmly c3QgY2hhbmdlcyBpbiBhbWRncHUgdXNpbmcgSE1NLiBUaGV5J3JlIGN1cnJlbnRseSBicm9rZW4N Cj4+IHdpdGhvdXQgdGhlc2UgdHdvIHBhdGNoZXMuDQo+IEhNTSBwYXRjaCBkbyBub3QgZ28gdGhy b3VnaCBhbnkgZ2l0IGJyYW5jaCB0aGV5IGdvIHRocm91Z2ggdGhlIG1tb3RtDQo+IGNvbGxlY3Rp b24uIFNvIGl0IGlzIG5vdCBzb21ldGhpbmcgeW91IGNhbiBlYXNpbHkgY29vcmRpbmF0ZSB3aXRo IGRybQ0KPiBicmFuY2guDQo+DQo+IEJ5IGJyb2tlbiBpIGV4cGVjdCB5b3UgbWVhbiB0aGF0IGlm IG51bWFiYWxhbmNlIGhhcHBlbnMgaXQgYnJlYWtzID8NCj4gT3IgaXQgbWlnaHQgc2xlZXAgd2hl biB5b3UgYXJlIG5vdCBleHBlY3RpbmcgaXQgdG9vID8NCg0KV2l0aG91dCB0aGUgTlVNQSBmaXgg d2UnZCBlbmQgdXAgdXNpbmcgYW4gb3V0ZGF0ZWQgcGh5c2ljYWwgYWRkcmVzcyBpbiANCnRoZSBH UFUgcGFnZSB0YWJsZS4gVGhlIHByb2JsZW0gd2FzIGNhdWdodCBieSBhIHRlc3QgdGhhdCBnb3Qg aW5jb3JyZWN0IA0KY29tcHV0YXRpb24gcmVzdWx0cyB1c2luZyBPcGVuQ0wgb24gYSBOVU1BIHN5 c3RlbS4NCg0KV2l0aG91dCB0aGUgRkFVTFRfRkxBR19BTExPV19SRVRSWSBwYXRjaCwgdGhlcmUg Y2FuIGJlIGtlcm5lbCBvb3BzZXMgZHVlIA0KdG8gaW5jb3JyZWN0IGxvY2tpbmcvdW5sb2NraW5n IG9mIG1tYXBfc2VtLiBJdCBicmVha3MgdGhlIHByb21pc2UgdGhhdCANCmhtbV9yYW5nZV9mYXVs dCBzaG91bGQgbm90IHVubG9jayB0aGUgbW1hcF9zZW0gaWYgYmxvY2s9PXRydWUuIEl0IHRha2Vz IA0Kc29tZSBtZW1vcnkgcHJlc3N1cmUgdG8gdHJpZ2dlciB0aGlzLg0KDQpSZWdhcmRzLA0KIMKg IEZlbGl4DQoNCg0KPg0KPiBDaGVlcnMsDQo+IErDqXLDtG1lDQo+DQo+PiBUaGFua3MsDQo+PiAg ICAgRmVsaXgNCj4+DQo+PiBPbiAyMDE5LTA1LTEwIDQ6MTQgcC5tLiwgSmVyb21lIEdsaXNzZSB3 cm90ZToNCj4+PiBbQ0FVVElPTjogRXh0ZXJuYWwgRW1haWxdDQo+Pj4NCj4+PiBPbiBGcmksIE1h eSAxMCwgMjAxOSBhdCAwNzo1MzoyNFBNICswMDAwLCBLdWVobGluZywgRmVsaXggd3JvdGU6DQo+ Pj4+IERvbid0IHNldCB0aGlzIGZsYWcgYnkgZGVmYXVsdCBpbiBobW1fdm1hX2RvX2ZhdWx0LiBJ dCBpcyBzZXQNCj4+Pj4gY29uZGl0aW9uYWxseSBqdXN0IGEgZmV3IGxpbmVzIGJlbG93LiBTZXR0 aW5nIGl0IHVuY29uZGl0aW9uYWxseQ0KPj4+PiBjYW4gbGVhZCB0byBoYW5kbGVfbW1fZmF1bHQg ZG9pbmcgYSBub24tYmxvY2tpbmcgZmF1bHQsIHJldHVybmluZw0KPj4+PiAtRUJVU1kgYW5kIHVu bG9ja2luZyBtbWFwX3NlbSB1bmV4cGVjdGVkbHkuDQo+Pj4+DQo+Pj4+IFNpZ25lZC1vZmYtYnk6 IEZlbGl4IEt1ZWhsaW5nIDxGZWxpeC5LdWVobGluZ0BhbWQuY29tPg0KPj4+IFJldmlld2VkLWJ5 OiBKw6lyw7RtZSBHbGlzc2UgPGpnbGlzc2VAcmVkaGF0LmNvbT4NCj4+Pg0KPj4+PiAtLS0NCj4+ Pj4gICAgbW0vaG1tLmMgfCAyICstDQo+Pj4+ICAgIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlv bigrKSwgMSBkZWxldGlvbigtKQ0KPj4+Pg0KPj4+PiBkaWZmIC0tZ2l0IGEvbW0vaG1tLmMgYi9t bS9obW0uYw0KPj4+PiBpbmRleCBiNjVjMjdkNWMxMTkuLjNjNGYxZDYyMjAyZiAxMDA2NDQNCj4+ Pj4gLS0tIGEvbW0vaG1tLmMNCj4+Pj4gKysrIGIvbW0vaG1tLmMNCj4+Pj4gQEAgLTMzOSw3ICsz MzksNyBAQCBzdHJ1Y3QgaG1tX3ZtYV93YWxrIHsNCj4+Pj4gICAgc3RhdGljIGludCBobW1fdm1h X2RvX2ZhdWx0KHN0cnVjdCBtbV93YWxrICp3YWxrLCB1bnNpZ25lZCBsb25nIGFkZHIsDQo+Pj4+ ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBib29sIHdyaXRlX2ZhdWx0LCB1aW50NjRfdCAq cGZuKQ0KPj4+PiAgICB7DQo+Pj4+IC0gICAgIHVuc2lnbmVkIGludCBmbGFncyA9IEZBVUxUX0ZM QUdfQUxMT1dfUkVUUlkgfCBGQVVMVF9GTEFHX1JFTU9URTsNCj4+Pj4gKyAgICAgdW5zaWduZWQg aW50IGZsYWdzID0gRkFVTFRfRkxBR19SRU1PVEU7DQo+Pj4+ICAgICAgICAgc3RydWN0IGhtbV92 bWFfd2FsayAqaG1tX3ZtYV93YWxrID0gd2Fsay0+cHJpdmF0ZTsNCj4+Pj4gICAgICAgICBzdHJ1 Y3QgaG1tX3JhbmdlICpyYW5nZSA9IGhtbV92bWFfd2Fsay0+cmFuZ2U7DQo+Pj4+ICAgICAgICAg c3RydWN0IHZtX2FyZWFfc3RydWN0ICp2bWEgPSB3YWxrLT52bWE7DQo+Pj4+IC0tDQo+Pj4+IDIu MTcuMQ0KPj4+Pg0K