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x-originating-ip: [119.31.174.71] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 152973be-7733-439d-1e08-08d70f1cd1d5 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:AM0PR04MB6180; x-ms-traffictypediagnostic: AM0PR04MB6180: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:269; x-forefront-prvs: 0107098B6C x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(39860400002)(346002)(376002)(136003)(396003)(366004)(189003)(199004)(305945005)(81166006)(81156014)(256004)(66556008)(7736002)(11346002)(66946007)(66066001)(6246003)(76116006)(66476007)(14444005)(446003)(68736007)(64756008)(66446008)(52536014)(110136005)(53936002)(476003)(102836004)(8676002)(44832011)(54906003)(26005)(4326008)(316002)(74316002)(3846002)(6436002)(55016002)(99286004)(9686003)(486006)(33656002)(6506007)(2906002)(229853002)(2501003)(186003)(478600001)(6116002)(71200400001)(71190400001)(86362001)(25786009)(7696005)(8936002)(4744005)(5660300002)(14454004)(76176011);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR04MB6180;H:AM0PR04MB4481.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: kDMnPc205CvPN4goqtK999cwRilrCnJARJkva0xS6wRGnpwPZ01t4w2MBN6hkyvv6Sua6ju3Qxx38m5YNTJ9kaWaFwxa4FtcQtsbRE+ZbKXK4W3Mi6ea3bkkmXdbz9MPO4pTIk6d4ptPJC7Em0E2deWbpnDjxqTeMyDW8r7CCUKVHG3TSRztko50zoIS/Clc+R5SVJfIIyFqx1NWE9Qp3k5nl+vgMez6ubVNOZam5MrNVBHgGkQGvANZYNTAsqXjK/BVKOHEeioyluEYBze+JQjN+cMZqc7SxY+x7T5zp2f4edUGe/b754aZAcTYfP94HqG7TWyLbicRiudlxgNo+Aq5fkoNxWmiDnp5Dna4nW5vjWzW+EriuTMue2LRx8RpYsHg4LSe90ciNLTNM+/cXOlSvPJm4V/hwrDNO+BgKdQ= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 152973be-7733-439d-1e08-08d70f1cd1d5 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Jul 2019 03:21:14.9041 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: peng.fan@nxp.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Russell, Stefano > Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 Any comments? >=20 > arm64 shares some code under arch/arm/xen, including mm.c. > However ZONE_DMA is removed by commit > ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32"). > So to ARM64, need use __GFP_DMA32. >=20 > Signed-off-by: Peng Fan > --- > arch/arm/xen/mm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index > e1d44b903dfc..a95e76d18bf9 100644 > --- a/arch/arm/xen/mm.c > +++ b/arch/arm/xen/mm.c > @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int > order) >=20 > for_each_memblock(memory, reg) { > if (reg->base < (phys_addr_t)0xffffffff) { > - flags |=3D __GFP_DMA; > + flags |=3D __GFP_DMA | __GFP_DMA32; > break; > } > } Thanks, Peng. > -- > 2.16.4 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 DBAA0C76186 for ; Tue, 23 Jul 2019 03:21:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B385E21738 for ; Tue, 23 Jul 2019 03:21:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nKI4u1Tp"; 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Tue, 23 Jul 2019 03:21:15 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::2023:c0e5:8a63:2e47]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::2023:c0e5:8a63:2e47%5]) with mapi id 15.20.2094.011; Tue, 23 Jul 2019 03:21:15 +0000 From: Peng Fan To: "sstabellini@kernel.org" , "linux@armlinux.org.uk" Subject: RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 Thread-Topic: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 Thread-Index: AQHVNi9zmpVhxJk2Z0aPUBEkePn3c6bXnoow Date: Tue, 23 Jul 2019 03:21:14 +0000 Message-ID: References: <20190709083729.11135-1-peng.fan@nxp.com> In-Reply-To: <20190709083729.11135-1-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; x-originating-ip: [119.31.174.71] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 152973be-7733-439d-1e08-08d70f1cd1d5 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Russell, Stefano > Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 Any comments? > > arm64 shares some code under arch/arm/xen, including mm.c. > However ZONE_DMA is removed by commit > ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32"). > So to ARM64, need use __GFP_DMA32. > > Signed-off-by: Peng Fan > --- > arch/arm/xen/mm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index > e1d44b903dfc..a95e76d18bf9 100644 > --- a/arch/arm/xen/mm.c > +++ b/arch/arm/xen/mm.c > @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int > order) > > for_each_memblock(memory, reg) { > if (reg->base < (phys_addr_t)0xffffffff) { > - flags |= __GFP_DMA; > + flags |= __GFP_DMA | __GFP_DMA32; > break; > } > } Thanks, Peng. > -- > 2.16.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 57D5DC76190 for ; 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB6180; H:AM0PR04MB4481.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: kDMnPc205CvPN4goqtK999cwRilrCnJARJkva0xS6wRGnpwPZ01t4w2MBN6hkyvv6Sua6ju3Qxx38m5YNTJ9kaWaFwxa4FtcQtsbRE+ZbKXK4W3Mi6ea3bkkmXdbz9MPO4pTIk6d4ptPJC7Em0E2deWbpnDjxqTeMyDW8r7CCUKVHG3TSRztko50zoIS/Clc+R5SVJfIIyFqx1NWE9Qp3k5nl+vgMez6ubVNOZam5MrNVBHgGkQGvANZYNTAsqXjK/BVKOHEeioyluEYBze+JQjN+cMZqc7SxY+x7T5zp2f4edUGe/b754aZAcTYfP94HqG7TWyLbicRiudlxgNo+Aq5fkoNxWmiDnp5Dna4nW5vjWzW+EriuTMue2LRx8RpYsHg4LSe90ciNLTNM+/cXOlSvPJm4V/hwrDNO+BgKdQ= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 152973be-7733-439d-1e08-08d70f1cd1d5 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Jul 2019 03:21:14.9041 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: peng.fan@nxp.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6180 Subject: Re: [Xen-devel] [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "van.freenix@gmail.com" , "xen-devel@lists.xenproject.org" , dl-linux-imx , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SGkgUnVzc2VsbCwgU3RlZmFubwoKPiBTdWJqZWN0OiBbUEFUQ0hdIGFybTogeGVuOiBtbTogdXNl IF9fR1BGX0RNQTMyIGZvciBhcm02NAoKQW55IGNvbW1lbnRzPwoKPiAKPiBhcm02NCBzaGFyZXMg c29tZSBjb2RlIHVuZGVyIGFyY2gvYXJtL3hlbiwgaW5jbHVkaW5nIG1tLmMuCj4gSG93ZXZlciBa T05FX0RNQSBpcyByZW1vdmVkIGJ5IGNvbW1pdAo+IGFkNjdmNWE2NTQ1KCJhcm02NDogcmVwbGFj ZSBaT05FX0RNQSB3aXRoIFpPTkVfRE1BMzIiKS4KPiBTbyB0byBBUk02NCwgbmVlZCB1c2UgX19H RlBfRE1BMzIuCj4gCj4gU2lnbmVkLW9mZi1ieTogUGVuZyBGYW4gPHBlbmcuZmFuQG54cC5jb20+ Cj4gLS0tCj4gIGFyY2gvYXJtL3hlbi9tbS5jIHwgMiArLQo+ICAxIGZpbGUgY2hhbmdlZCwgMSBp bnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvYXJjaC9hcm0veGVu L21tLmMgYi9hcmNoL2FybS94ZW4vbW0uYyBpbmRleAo+IGUxZDQ0YjkwM2RmYy4uYTk1ZTc2ZDE4 YmY5IDEwMDY0NAo+IC0tLSBhL2FyY2gvYXJtL3hlbi9tbS5jCj4gKysrIGIvYXJjaC9hcm0veGVu L21tLmMKPiBAQCAtMjcsNyArMjcsNyBAQCB1bnNpZ25lZCBsb25nIHhlbl9nZXRfc3dpb3RsYl9m cmVlX3BhZ2VzKHVuc2lnbmVkIGludAo+IG9yZGVyKQo+IAo+ICAJZm9yX2VhY2hfbWVtYmxvY2so bWVtb3J5LCByZWcpIHsKPiAgCQlpZiAocmVnLT5iYXNlIDwgKHBoeXNfYWRkcl90KTB4ZmZmZmZm ZmYpIHsKPiAtCQkJZmxhZ3MgfD0gX19HRlBfRE1BOwo+ICsJCQlmbGFncyB8PSBfX0dGUF9ETUEg fCBfX0dGUF9ETUEzMjsKPiAgCQkJYnJlYWs7Cj4gIAkJfQo+ICAJfQoKVGhhbmtzLApQZW5nLgoK PiAtLQo+IDIuMTYuNAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw=