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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 A1996C43461 for ; Thu, 17 Sep 2020 01:36:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0F6812076C for ; Thu, 17 Sep 2020 01:36:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F6812076C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 513C3900007; Wed, 16 Sep 2020 21:36:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 49C1E900004; 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Thu, 17 Sep 2020 01:35:58 +0000 (UTC) Received: from DGGEMM403-HUB.china.huawei.com (unknown [172.30.72.57]) by Forcepoint Email with ESMTP id 6F22155F3772399C819D; Thu, 17 Sep 2020 09:35:55 +0800 (CST) Received: from dggemi760-chm.china.huawei.com (10.1.198.146) by DGGEMM403-HUB.china.huawei.com (10.3.20.211) with Microsoft SMTP Server (TLS) id 14.3.487.0; Thu, 17 Sep 2020 09:35:55 +0800 Received: from dggemi761-chm.china.huawei.com (10.1.198.147) by dggemi760-chm.china.huawei.com (10.1.198.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Thu, 17 Sep 2020 09:35:54 +0800 Received: from dggemi761-chm.china.huawei.com ([10.9.49.202]) by dggemi761-chm.china.huawei.com ([10.9.49.202]) with mapi id 15.01.1913.007; Thu, 17 Sep 2020 09:35:54 +0800 From: "Song Bao Hua (Barry Song)" To: Mike Kravetz , Nick Desaulniers CC: "akpm@linux-foundation.org" , "guro@fb.com" , "linux-arm-kernel@lists.infradead.org" , "linux-mm@kvack.org" , Linuxarm , "sfr@canb.auug.org.au" , "will@kernel.org" , "ardb@kernel.org" , "clang-built-linux@googlegroups.com" Subject: RE: arm64: mm: move dma_contiguous_reserve() to be after paging_init() Thread-Topic: arm64: mm: move dma_contiguous_reserve() to be after paging_init() Thread-Index: AQHWjIg9Vw4ucv/7MkmF/biUUWKaD6lrc2wAgACWRjA= Date: Thu, 17 Sep 2020 01:35:54 +0000 Message-ID: <36697ee55a7348d382c410d776fefc74@hisilicon.com> References: <20200916085933.25220-1-song.bao.hua@hisilicon.com> <20200917001934.2793370-1-ndesaulniers@google.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.126.202.195] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: A9F7418038CC0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTWlrZSBLcmF2ZXR6IFtt YWlsdG86bWlrZS5rcmF2ZXR6QG9yYWNsZS5jb21dDQo+IFNlbnQ6IFRodXJzZGF5LCBTZXB0ZW1i ZXIgMTcsIDIwMjAgMTI6MjcgUE0NCj4gVG86IE5pY2sgRGVzYXVsbmllcnMgPG5kZXNhdWxuaWVy c0Bnb29nbGUuY29tPjsgU29uZyBCYW8gSHVhIChCYXJyeSBTb25nKQ0KPiA8c29uZy5iYW8uaHVh QGhpc2lsaWNvbi5jb20+DQo+IENjOiBha3BtQGxpbnV4LWZvdW5kYXRpb24ub3JnOyBndXJvQGZi LmNvbTsNCj4gbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnOyBsaW51eC1tbUBr dmFjay5vcmc7IExpbnV4YXJtDQo+IDxsaW51eGFybUBodWF3ZWkuY29tPjsgc2ZyQGNhbmIuYXV1 Zy5vcmcuYXU7IHdpbGxAa2VybmVsLm9yZzsNCj4gYXJkYkBrZXJuZWwub3JnOyBjbGFuZy1idWls dC1saW51eEBnb29nbGVncm91cHMuY29tDQo+IFN1YmplY3Q6IFJlOiBhcm02NDogbW06IG1vdmUg ZG1hX2NvbnRpZ3VvdXNfcmVzZXJ2ZSgpIHRvIGJlIGFmdGVyDQo+IHBhZ2luZ19pbml0KCkNCj4g DQo+IE9uIDkvMTYvMjAgNToxOSBQTSwgTmljayBEZXNhdWxuaWVycyB3cm90ZToNCj4gPiBJdCBs b29rcyBsaWtlIHRoYXQgY2hhbmdlIHJlZmVyZW5jZWQgbWF5IGFsc28gYnJlYWsgYXJtMzIgYm9v dHMgd2l0aA0KPiA+IHRvZGF5J3MgbmV4dD8NCj4gPg0KPiA+IFRoZSBmb2xsb3dpbmcgYWxsb3dz IG1lIHRvIGJvb3QsIGJ1dCBJIGhhdmUgbm8gaWRlYSBpZiBpdCdzIGluY29ycmVjdCBvciBub3Qu DQo+IA0KPiBUaGFua3MgTmljaywNCj4gDQo+IFRoZSByZWZlcmVuY2VkIGNvbW1pdCB3YXMgcHVs bGVkIGZyb20gQW5kcmV3J3MgdHJlZSBhbmQgc3Vic2VxdWVudA0KPiB2ZXJzaW9ucyBvZiBuZXh0 Lg0KPiANCj4gSSdtIGxvb2tpbmcgaW50byBvdGhlciBhcmNoaXRlY3R1cmVzIGFzIHRoaXMgaXMg ZGVwZW5kZW50IG9uIHdoZXJlIGluIGFyY2gNCj4gc3BlY2lmaWMgYm9vdCBwcm9jZXNzIGZpcnN0 IGNtYSBjYWxsIGlzIG1hZGUuICBIb3BlZnVsbHksIHRoZXJlIGlzIGEgc29tZSB3YXkgdG8NCj4g ZG8gdGhpcyB3aXRob3V0IHBvdGVudGlhbGx5IHRvdWNoaW5nIGEgYnVuY2ggb2YgYXJjaCBjb2Rl Lg0KDQpUaGUgZGVmYXVsdCBjbWEgaXMgcHJvYmFibHkgbm90IHRoZSBvbmx5IHdobyBoYXMgYmVl biBicm9rZW4uIEkgdGhpbmsgdGhlIHBhdGNoIHRvIGVuYWJsZSB0aGUgDQpkeW5hbWljIG51bWJl ciBvZiBjbWEgYXJlYXMgaGFzIGFsc28gYnJva2VuIGZkdC1iYXNlZCBDTUEuIEZvciBleGFtcGxl LCANCmVhcmx5X2luaXRfZmR0X3NjYW5fcmVzZXJ2ZWRfbWVtKCkgaXMgY2FsbGVkIGJlZm9yZSBw YWdpbmdfaW5pdCgpIGluIGFybTY0Lg0KDQpDb25zaWRlcmluZyBtYW55IGFyY2ggYXJlIGNhbGxp bmcgZWFybHlfaW5pdF9mZHRfc2Nhbl9yZXNlcnZlZF9tZW0oKSwgaXQgc2VlbXMgdXNpbmcNCm1l bWJsb2NrX2FsbG9jKCkgZm9yIGNtYV9hcmVhIHdpbGwgcmVxdWlyZSBsb3RzIG9mIHRlc3Qgb24g ZGlmZmVyZW50IHBsYXRmb3Jtcy4NCjEuIGFyYw0KMi5hcm0NCjMuYXJtNjQNCjQuY3NreQ0KNS5o ODMwMA0KNi5taXBzDQo3Lm5zZDMyDQo4Lm5pb3MzMg0KOS5vcGVucmlzZQ0KMTAucG93ZXJwYw0K MTEucmlzY3YNCjEyLnNoDQoxMy54dGVuc2ENCg0KPiAtLQ0KPiBNaWtlIEtyYXZldHoNCg0KVGhh bmtzDQpCYXJyeQ0K