From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Subject: RE: [PATCH v4 0/3] PCIe Host request to reserve IOVA Date: Thu, 2 May 2019 09:54:50 +0000 Message-ID: <7c44526aebb6403890bab8e252c16375@AcuMS.aculab.com> References: <1555038815-31916-1-git-send-email-srinath.mannam@broadcom.com> <20190501113038.GA7961@e121166-lin.cambridge.arm.com> <20190501125530.GA15590@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: 'Srinath Mannam' , Bjorn Helgaas Cc: Lorenzo Pieralisi , Joerg Roedel , Robin Murphy , "poza@codeaurora.org" , Ray Jui , BCM Kernel Feedback , "linux-pci@vger.kernel.org" , "iommu@lists.linux-foundation.org" , Linux Kernel Mailing List List-Id: iommu@lists.linux-foundation.org RnJvbTogU3JpbmF0aCBNYW5uYW0NCj4gU2VudDogMDEgTWF5IDIwMTkgMTY6MjMNCi4uLg0KPiA+ ID4gT24gRnJpLCBBcHIgMTIsIDIwMTkgYXQgMDg6NDM6MzJBTSArMDUzMCwgU3JpbmF0aCBNYW5u YW0gd3JvdGU6DQo+ID4gPiA+IEZldyBTT0NzIGhhdmUgbGltaXRhdGlvbiB0aGF0IHRoZWlyIFBD SWUgaG9zdCBjYW4ndCBhbGxvdyBmZXcgaW5ib3VuZA0KPiA+ID4gPiBhZGRyZXNzIHJhbmdlcy4g QWxsb3dlZCBpbmJvdW5kIGFkZHJlc3MgcmFuZ2VzIGFyZSBsaXN0ZWQgaW4gZG1hLXJhbmdlcw0K PiA+ID4gPiBEVCBwcm9wZXJ0eSBhbmQgdGhpcyBhZGRyZXNzIHJhbmdlcyBhcmUgcmVxdWlyZWQg dG8gZG8gSU9WQSBtYXBwaW5nLg0KPiA+ID4gPiBSZW1haW5pbmcgYWRkcmVzcyByYW5nZXMgaGF2 ZSB0byBiZSByZXNlcnZlZCBpbiBJT1ZBIG1hcHBpbmcuDQoNCllvdSBwcm9iYWJseSB3YW50IHRv IGZpeCB0aGUgZW5nbGlzaCBpbiB0aGUgZmlyc3Qgc2VudGVuY2UuDQpUaGUgc2Vuc2UgaXMgcmV2 ZXJzZWQuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1s ZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJh dGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo= 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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 DB4E1C43219 for ; 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Thu, 2 May 2019 10:01:11 +0000 (UTC) Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-130-Ng2ipl1kM4iX0CK2opXBrA-1; Thu, 02 May 2019 10:54:50 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b::d117) by AcuMS.aculab.com (fd9f:af1c:a25b::d117) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 2 May 2019 10:54:50 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 2 May 2019 10:54:50 +0100 From: David Laight To: 'Srinath Mannam' , Bjorn Helgaas Subject: RE: [PATCH v4 0/3] PCIe Host request to reserve IOVA Thread-Topic: [PATCH v4 0/3] PCIe Host request to reserve IOVA Thread-Index: AQHVADHM3KBPKKWjuUy35ge+uHQL0KZXmYKw Date: Thu, 2 May 2019 09:54:50 +0000 Message-ID: <7c44526aebb6403890bab8e252c16375@AcuMS.aculab.com> References: <1555038815-31916-1-git-send-email-srinath.mannam@broadcom.com> <20190501113038.GA7961@e121166-lin.cambridge.arm.com> <20190501125530.GA15590@google.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: Ng2ipl1kM4iX0CK2opXBrA-1 X-Mimecast-Spam-Score: 0 Cc: "poza@codeaurora.org" , Ray Jui , Linux Kernel Mailing List , "iommu@lists.linux-foundation.org" , BCM Kernel Feedback , "linux-pci@vger.kernel.org" , Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Message-ID: <20190502095450.qBYeShVuK97YThhOxYu_i3IrhEmpV2ip9_QTm7cmgf0@z> From: Srinath Mannam > Sent: 01 May 2019 16:23 ... > > > On Fri, Apr 12, 2019 at 08:43:32AM +0530, Srinath Mannam wrote: > > > > Few SOCs have limitation that their PCIe host can't allow few inbound > > > > address ranges. Allowed inbound address ranges are listed in dma-ranges > > > > DT property and this address ranges are required to do IOVA mapping. > > > > Remaining address ranges have to be reserved in IOVA mapping. You probably want to fix the english in the first sentence. The sense is reversed. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu