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-0600 Received: from [192.168.2.6] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 00VDxEIn021608; Fri, 31 Jan 2020 07:59:15 -0600 Subject: Re: [PoC] arm: dma-mapping: direct: Apply dma_pfn_offset only when it is valid To: Christoph Hellwig References: <8eb68140-97b2-62ce-3e06-3761984aa5b1@ti.com> <20200114164332.3164-1-peter.ujfalusi@ti.com> <28ee3395-baed-8d59-8546-ab7765829cc8@ti.com> <4f0e307f-29a9-44cd-eeaa-3b999e03871c@arm.com> <75843c71-1718-8d61-5e3d-edba6e1b10bd@ti.com> <20200130075332.GA30735@lst.de> <20200130164010.GA6472@lst.de> From: Peter Ujfalusi Message-ID: <54af6531-705f-a31c-c5b8-479261a5454e@ti.com> Date: Fri, 31 Jan 2020 16:00:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200130164010.GA6472@lst.de> Content-Language: en-US X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200131_055926_865258_D6ED58AA X-CRM114-Status: GOOD ( 29.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robh@kernel.org, vigneshr@ti.com, konrad.wilk@oracle.com, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Robin Murphy , linux-arm-kernel@lists.infradead.org, rogerq@ti.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgQ2hyaXN0b3BoLAoKT24gMzAvMDEvMjAyMCAxOC40MCwgQ2hyaXN0b3BoIEhlbGx3aWcgd3Jv dGU6Cj4gT24gVGh1LCBKYW4gMzAsIDIwMjAgYXQgMDM6MDQ6MzdQTSArMDIwMCwgUGV0ZXIgVWpm YWx1c2kgdmlhIGlvbW11IHdyb3RlOgo+PiBPbiAzMC8wMS8yMDIwIDkuNTMsIENocmlzdG9waCBI 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