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(localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 6EBDA87746 for ; Mon, 24 Aug 2020 14:02:04 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gqRqmFoxamtj for ; Mon, 24 Aug 2020 14:01:59 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by whitealder.osuosl.org (Postfix) with ESMTP id B1FB886B33 for ; Mon, 24 Aug 2020 14:01:59 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C6AE61FB; Mon, 24 Aug 2020 07:01:58 -0700 (PDT) Received: from [10.57.40.122] (unknown [10.57.40.122]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A711F3F71F; Mon, 24 Aug 2020 07:01:52 -0700 (PDT) Subject: Re: [PATCH 16/18] staging/media/tegra-vde: Clean up IOMMU workaround To: Dmitry Osipenko , hch@lst.de, joro@8bytes.org, linux@armlinux.org.uk References: <3535c205b9bce52556abbf2f63384fb38e009df9.1597931876.git.robin.murphy@arm.com> <07135a55-cbc9-83e5-60dc-731282192554@gmail.com> <62a72187-442b-2103-46c3-39d3cd999f54@gmail.com> From: Robin Murphy Message-ID: Date: Mon, 24 Aug 2020 15:01:51 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <62a72187-442b-2103-46c3-39d3cd999f54@gmail.com> Content-Language: en-GB Cc: geert+renesas@glider.be, dri-devel@lists.freedesktop.org, matthias.bgg@gmail.com, thierry.reding@gmail.com, laurent.pinchart@ideasonboard.com, will@kernel.org, linux-samsung-soc@vger.kernel.org, magnus.damm@gmail.com, kyungmin.park@samsung.com, jonathanh@nvidia.com, agross@kernel.org, linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, inki.dae@samsung.com, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sw0312.kim@samsung.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, iommu@lists.linux-foundation.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjAyMC0wOC0yMyAyMjozNCwgRG1pdHJ5IE9zaXBlbmtvIHdyb3RlOgo+IDIxLjA4LjIwMjAg MDM6MTEsIFJvYmluIE11cnBoeSDQv9C40YjQtdGCOgo+IC4uLgo+Pj4gSGVsbG8sIFJvYmluISBU aGFuayB5b3UgZm9yIHlvdXJzIHdvcmshCj4+Pgo+Pj4gU29tZSBkcml2ZXJzLCBsaWtlIHRoaXMg VGVncmEgVkRFIChWaWRlbyBEZWNvZGVyIEVuZ2luZSkgZHJpdmVyIGZvcgo+Pj4gZXhhbXBsZSwg ZG8gbm90IHdhbnQgdG8gdXNlIGltcGxpY2l0IElPTU1VIGRvbWFpbi4KPj4KPj4gVGhhdCBpc24n dCAoaW50ZW50aW9uYWxseSkgY2hhbmdpbmcgaGVyZSAtIHRoZSBvbmx5IGRpZmZlcmVuY2Ugc2hv 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