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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 C88F2C6379D for ; Tue, 24 Nov 2020 11:35:24 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 A19F0206B2 for ; Tue, 24 Nov 2020 11:35:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A19F0206B2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 1A9A785AE9; Tue, 24 Nov 2020 11:35:23 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CCWrJNXG0p0L; Tue, 24 Nov 2020 11:35:22 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 6174085579; Tue, 24 Nov 2020 11:35:22 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4C1AFC163C; Tue, 24 Nov 2020 11:35:22 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id C3D3FC0052 for ; Tue, 24 Nov 2020 11:35:20 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id A55B187292 for ; Tue, 24 Nov 2020 11:35:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id slWTtBeYOTTn for ; Tue, 24 Nov 2020 11:35:17 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by hemlock.osuosl.org (Postfix) with ESMTPS id 9166187291 for ; Tue, 24 Nov 2020 11:35:17 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 94C046736F; Tue, 24 Nov 2020 12:35:12 +0100 (CET) Date: Tue, 24 Nov 2020 12:35:12 +0100 From: Christoph Hellwig To: Ricardo Ribalda Subject: Re: [PATCH] WIP! media: uvcvideo: Use dma_alloc_noncontiguos API Message-ID: <20201124113512.GA21974@lst.de> References: <20200930160917.1234225-9-hch@lst.de> <20201118142546.170621-1-ribalda@chromium.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201118142546.170621-1-ribalda@chromium.org> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: Linux Media Mailing List , Linux Doc Mailing List , Linux Kernel Mailing List , IOMMU DRIVERS , Mauro Carvalho Chehab , Robin Murphy , Christoph Hellwig 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gV2VkLCBOb3YgMTgsIDIwMjAgYXQgMDM6MjU6NDZQTSArMDEwMCwgUmljYXJkbyBSaWJhbGRh IHdyb3RlOgo+IE9uIGFyY2hpdGVjdHVyZXMgd2hlcmUgdGhlIGlzIG5vIGNvaGVyZW50IGNhY2hp bmcgc3VjaCBhcyBBUk0gdXNlIHRoZQo+IGRtYV9hbGxvY19ub25jb250aWd1b3MgQVBJIGFuZCBo YW5kbGUgbWFudWFsbHkgdGhlIGNhY2hlIGZsdXNoaW5nIHVzaW5nCj4gZG1hX3N5bmNfc2luZ2xl KCkuCj4gCj4gV2l0aCB0aGlzIHBhdGNoIG9uIHRoZSBhZmZlY3RlZCBhcmNoaXRlY3R1cmVzIHdl IGNhbiBtZWFzdXJlIHVwIHRvIDIweAo+IHBlcmZvcm1hbmNlIGltcHJvdmVtZW50IGluIHV2Y192 aWRlb19jb3B5X2RhdGFfd29yaygpLgoKVGhpcyBoYXMgYSBidW5jaCBvZiBjcmF6eSBsb25nIGxp bmVzLCBidXQgb3RoZXJ3aXNlIGxvb2tzIGZpbmUgdG8gbWUuCgo+IAo+IFNpZ25lZC1vZmYtYnk6 IFJpY2FyZG8gUmliYWxkYSA8cmliYWxkYUBjaHJvbWl1bS5vcmc+Cj4gLS0tCj4gCj4gVGhpcyBw YXRjaCBkZXBlbmRzIG9uIGRtYV9hbGxvY19jb250aWd1b3VzIEFQSe+/vDEzMTUzNTFkaWZmbWJv eHNlcmllcwoKSG93IGRvIHdlIHdhbnQgdG8gcHJvY2VlZD8gIERvIHRoZSBtZWRpYSBtYWludGFp bmVycyB3YW50IHRvIHBpY2sgdXAKdGhhdCBwYXRjaD8gIFNob3VsZCBJIHBpY2sgdXAgdGhlIG1l ZGlhIHBhdGNoIGluIHRoZSBkbWEtbWFwcGluZyB0cmVlPwoKQ2FuIHlvdSByZXNwb3N0IGEgY29t YmluZWQgc2VyaWVzIHRvIGdldCBzdGFydGVkPwpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwppb21tdSBtYWlsaW5nIGxpc3QKaW9tbXVAbGlzdHMubGludXgt Zm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4v bGlzdGluZm8vaW9tbXU=