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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 1F94DC56201 for ; Tue, 24 Nov 2020 13:33:27 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 B2ECD20708 for ; Tue, 24 Nov 2020 13:33:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2ECD20708 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 whitealder.osuosl.org (Postfix) with ESMTP id 3F72C86777; Tue, 24 Nov 2020 13:33:26 +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 6KMH6AodxBM2; Tue, 24 Nov 2020 13:33:24 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id E16A785C45; Tue, 24 Nov 2020 13:33:24 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id C6A97C163C; Tue, 24 Nov 2020 13:33:24 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 89968C0052 for ; Tue, 24 Nov 2020 13:33:23 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 7571D86151 for ; Tue, 24 Nov 2020 13:33:23 +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 z3Fi+ub+eeXF for ; Tue, 24 Nov 2020 13:33:19 +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 whitealder.osuosl.org (Postfix) with ESMTPS id 8776B85C45 for ; Tue, 24 Nov 2020 13:33:19 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 4C5866736F; Tue, 24 Nov 2020 14:33:15 +0100 (CET) Date: Tue, 24 Nov 2020 14:33:15 +0100 From: Christoph Hellwig To: Ricardo Ribalda Subject: Re: [PATCH] WIP! media: uvcvideo: Use dma_alloc_noncontiguos API Message-ID: <20201124133315.GA30214@lst.de> References: <20200930160917.1234225-9-hch@lst.de> <20201118142546.170621-1-ribalda@chromium.org> <20201124113512.GA21974@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: Sergey Senozhatsky , 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="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, Nov 24, 2020 at 01:01:33PM +0100, Ricardo Ribalda wrote: > I was hoping that you could answer that question :). > > Do you have other use-cases than linux-media in mind? > > I think Sergey wants to experiment also with vb2, to figure out how > much it affects it. > His change will be much more complicated than mine thought, there are > more cornercases there. I don't have anything urgend lined up, although I think there are plenty other potential use cases. > > Can you respost a combined series to get started? > > Sure. Shall I also include the profiling patch? That is in the media code, right? I don't really care too much. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu