Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp1091070yba; Sat, 13 Apr 2019 23:59:42 -0700 (PDT) X-Google-Smtp-Source: APXvYqzyoRlfkzIydt1cIaujKeax7kecinFUcy/VIFrjaqPhsHaepkkfrTWHZ3aw00/IkeD2eTAa X-Received: by 2002:aa7:8284:: with SMTP id s4mr69057722pfm.235.1555225182529; Sat, 13 Apr 2019 23:59:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555225182; cv=none; d=google.com; s=arc-20160816; b=B7XKHxQXlbC6q4ywNbQIGFVVfCpm4P634T/4MgjPmUt9u8i7ICBwFI4KJA0vO/oHB8 EcanFYi2/eHto4P1EQKm02g21Si6pJtYt4UR6KTArH5GXhEn75KNED0z03OhGoED7pQr NqIXgVPGrkAyBZ5v1Qm5UT7OxMuRX3Y4OU9ZScw4k0VJXrqxp3c8Ip5arZRT8TWocFNW o4REdp++FT0PGMqJYdg3LO5pqvaQZHt2WL005OY86mHti91EMQbApOnqIJetSyLTr1RO kYK9VrgW3E2l9afuOQ1hC6IEOt0tNcnM33ftHah7LQ47FnESFDhG64V5aP5LuE3SOijk 7/4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender: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=lhqNQ+1Z1kahGIO+uyaV8/ry/9Z5ItZXH4kcRtyofX4=; b=R89GLN/IQuj6mDoEY9LVm87VN5QJxv6IT+My3RWjf9o2wPmAgX8Evo8qtBzy1Fakzc Ox5owqqPU3Kwo4OGUQg6RVMX7e/PW5mTAjdse6xzEGssN3t0y19IjLJDyNkRFL35wjAM HEn6Nw0O336bD1p/kstQWDFBCn6h1wcOultQn2CGlVp4a2QuA6dfAU/93w0JibDzGW2k Bg6vAM4CV8XiyYQCTApIeOGTlZZWYOC4LQcP7s6QG8YzIaPyqAUqKh1eb8Xr2vhFVeqX Q2Di+HNa43K/hiKeB/wffTgWGU/y9o/JjZzE5grgBjzVbcCux1Exdj6cK02KiiyOeS4s LMfg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@Mellanox.com header.s=selector1 header.b=JkxzeHl1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mellanox.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v24si41496746pgi.286.2019.04.13.23.58.51; Sat, 13 Apr 2019 23:59:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@Mellanox.com header.s=selector1 header.b=JkxzeHl1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mellanox.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725805AbfDNG5S (ORCPT + 99 others); Sun, 14 Apr 2019 02:57:18 -0400 Received: from mail-eopbgr20045.outbound.protection.outlook.com ([40.107.2.45]:49799 "EHLO EUR02-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725681AbfDNG5S (ORCPT ); Sun, 14 Apr 2019 02:57:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lhqNQ+1Z1kahGIO+uyaV8/ry/9Z5ItZXH4kcRtyofX4=; b=JkxzeHl1nzpwPZizacrOXtC5oMsyqd5/cfH8lYZFmC5LTJrzxEHeXiLNXgC9FkS15j4d2f6QenG/vGvi+hFQ7O9S0t46JVv2fgMnudFz5Wmnl+X+oDqaSQKG91oMQ+3A9PiQXYQqQZPDO0fda1pYs0WXH0suOQ9aUX0egBFOwys= Received: from DB6PR0501MB2694.eurprd05.prod.outlook.com (10.172.226.9) by DB6PR0501MB2584.eurprd05.prod.outlook.com (10.168.74.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1792.17; Sun, 14 Apr 2019 06:57:12 +0000 Received: from DB6PR0501MB2694.eurprd05.prod.outlook.com ([fe80::6ca8:55cc:a7c3:e214]) by DB6PR0501MB2694.eurprd05.prod.outlook.com ([fe80::6ca8:55cc:a7c3:e214%11]) with mapi id 15.20.1771.021; Sun, 14 Apr 2019 06:57:12 +0000 From: Leon Romanovsky To: "jglisse@redhat.com" CC: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Jason Gunthorpe , Andrew Morton , Ralph Campbell , John Hubbard Subject: Re: [PATCH] mm/hmm: kconfig split HMM address space mirroring from device memory Thread-Topic: [PATCH] mm/hmm: kconfig split HMM address space mirroring from device memory Thread-Index: AQHU8JDkrzI6G0Gpw0yAwni5wA6t66Y7PWyA Date: Sun, 14 Apr 2019 06:57:12 +0000 Message-ID: <20190414065709.GH3201@mtr-leonro.mtl.com> References: <20190411180326.18958-1-jglisse@redhat.com> In-Reply-To: <20190411180326.18958-1-jglisse@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM6P192CA0057.EURP192.PROD.OUTLOOK.COM (2603:10a6:209:82::34) To DB6PR0501MB2694.eurprd05.prod.outlook.com (2603:10a6:4:82::9) authentication-results: spf=none (sender IP is ) smtp.mailfrom=leonro@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [193.47.165.251] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5d850f72-b763-42e9-7e05-08d6c0a66b94 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600139)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:DB6PR0501MB2584; x-ms-traffictypediagnostic: DB6PR0501MB2584: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-forefront-prvs: 00073DB75F x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(346002)(396003)(366004)(39850400004)(136003)(376002)(199004)(189003)(6916009)(54906003)(186003)(229853002)(26005)(1076003)(2351001)(476003)(8676002)(99286004)(966005)(97736004)(71200400001)(71190400001)(486006)(8936002)(316002)(81166006)(86362001)(446003)(105586002)(1730700003)(4326008)(6116002)(33656002)(106356001)(66066001)(305945005)(81156014)(256004)(6246003)(5660300002)(5640700003)(3846002)(102836004)(52116002)(6506007)(386003)(2501003)(9686003)(478600001)(6512007)(7736002)(11346002)(53936002)(76176011)(4744005)(2906002)(14454004)(6486002)(6306002)(6436002)(68736007)(25786009);DIR:OUT;SFP:1101;SCL:1;SRVR:DB6PR0501MB2584;H:DB6PR0501MB2694.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: ggm67+okBOKDBVNC8n3ekiLvs8SHaI2cKQ4FnIebO81391dbej6wB05PZI0qmWFDBbAoM8yKUFYoCYrWZP1fkxCXx2JgWokypALopkrS06fPTxZYe/gAF2VupPZiZf4m6Zu2hp0HZiI5LzOs9qwn2UdZM1YA6gkNPSfpjTjwhkdvnWKyf2tjZpnF1itpGO4FE7yXXzn/CXfI7KakMHiR6676PIaHy16jqHGyQtfFYvBvsBJHfrDtvG/7BUviZVmEuVvOW0EcNKv9byfiDQ6IFOKBdiqwaR6jzxsnmuUy12v39ajfCQ6pv+3jnHUmxHRa8nvGjkelEOKYGT+1TG6zDvlb6BRNaPbd6b/dnbxlnnZG7Z8WZKsRj+4cBLEuTeKlG6fOow2vuIcaHjmYoKe4ID/LUOdDTL7E+0MF/VhNYPY= Content-Type: text/plain; charset="iso-8859-1" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5d850f72-b763-42e9-7e05-08d6c0a66b94 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Apr 2019 06:57:12.8277 (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-Transport-CrossTenantHeadersStamped: DB6PR0501MB2584 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 11, 2019 at 02:03:26PM -0400, jglisse@redhat.com wrote: > From: J=E9r=F4me Glisse > > To allow building device driver that only care about address space > mirroring (like RDMA ODP) on platform that do not have all the pre- > requisite for HMM device memory (like ZONE_DEVICE on ARM) split the > HMM_MIRROR option dependency from the HMM_DEVICE dependency. > > Signed-off-by: J=E9r=F4me Glisse > Cc: Leon Romanovsky > Cc: Jason Gunthorpe > Cc: Andrew Morton > Cc: Ralph Campbell > Cc: John Hubbard > --- > mm/Kconfig | 17 ++++++++++------- > 1 file changed, 10 insertions(+), 7 deletions(-) > Thanks, It gave me an option simply enable HMM_MIRROR without too much hassle as it was before and compile your v3 [1]. Tested-by: Leon Romanovsky [1] https://patchwork.kernel.org/patch/10894281/